GOOD MORNING COUGH TABLETS
TOLU SOLUTION, LIQUORICE, CREOSOTE, CAPSICUM, MENTHOL, ANISE, PEPPERMINT AND EUCALYPTUS
What it does
Anise is a plant commonly used for its flavor and medicinal properties. It is known for its sweet, aromatic taste and is often used in cooking and herbal remedies.
Commonly used for: digestive issues (like bloating and gas), cough relief, menstrual discomfort
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Source: Pharmacy and Poisons Board · fetched 2026-01-28 21:12:46 · updated 2026-07-20 08:55:56
About anise
Anise is a plant commonly used for its flavor and medicinal properties. It is known for its sweet, aromatic taste and is often used in cooking and herbal remedies.
What it treats
- digestive issues (like bloating and gas)
- cough relief
- menstrual discomfort
How it works
Anise contains compounds that may help soothe the digestive system and relieve coughs. It also has potential benefits for menstrual symptoms.
Who it's for
Anise is suitable for adults and may be used by those looking for natural remedies for digestive problems or coughs.
Cautions
- • May cause allergic reactions in some individuals.
- • Consult a healthcare provider if pregnant or nursing.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About capsicum
Capsicum is a natural ingredient that comes from chili peppers and is often used for its potential health benefits.
What it treats
- pain relief
- muscle soreness
- joint pain
- nerve pain
How it works
Capsicum works by reducing the feeling of pain by blocking pain signals in the body.
Who it's for
Capsicum may be suitable for adults looking for relief from various types of pain.
Cautions
- • May cause irritation on the skin or mucous membranes.
- • Avoid contact with eyes.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About creosote
Creosote is a natural product often used in traditional medicine for its potential health benefits.
What it treats
- chronic cough
- respiratory conditions
How it works
Creosote may help soothe irritation in the throat and respiratory tract.
Who it's for
Adults and children experiencing persistent cough or respiratory discomfort.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About eucalyptus
Eucalyptus is a natural remedy often used for its soothing properties, especially for respiratory issues.
What it treats
- coughs
- cold symptoms
- respiratory infections
How it works
Eucalyptus contains compounds that can help relieve symptoms by reducing inflammation and acting as a mild antiseptic.
Who it's for
Eucalyptus is suitable for adults and children, but care should be taken with young children and those with allergies.
Cautions
- • Avoid if allergic to eucalyptus or related plants.
- • Use with caution in young children.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About liquorice
Liquorice is a natural substance often used for its soothing properties and flavor. It is found in various herbal remedies and candies.
What it treats
- sore throat
- stomach ulcers
- coughs
- stress relief
How it works
Liquorice contains compounds that can help reduce inflammation and soothe the digestive system.
Who it's for
Adults and children who need relief from throat discomfort or digestive issues.
Cautions
- • Excessive use may lead to high blood pressure.
- • People with heart conditions should be cautious.
- • Not recommended during pregnancy without medical advice.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About menthol
Menthol is a natural compound often used for its soothing and cooling effects.
What it treats
- cough relief
- muscle pain relief
- skin irritation treatment
How it works
Menthol creates a cooling sensation on the skin and mucous membranes, which can help relieve discomfort.
Who it's for
Menthol is suitable for adults and children who need relief from coughs, muscle aches, or skin irritation.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About peppermint
Peppermint is a natural herb commonly used for its soothing properties.
What it treats
- digestive issues (like indigestion)
- headaches
- muscle pain
- colds and respiratory issues
How it works
Peppermint contains menthol, which helps relax muscles and has a cooling effect, providing relief from discomfort.
Who it's for
Anyone looking for natural relief from digestive problems, headaches, or muscle tension.
Cautions
- • May cause allergic reactions in some people.
- • Avoid if you have certain digestive conditions, like gastroesophageal reflux disease (GERD).
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About tolu
Tolu is a substance used in various medical applications.
What it treats
- skin conditions (dermatitis)
- respiratory issues
How it works
Tolu helps by soothing and healing affected areas.
Who it's for
People suffering from certain skin or breathing problems.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: anise
Anise, scientifically known as Pimpinella anisum, is a flowering plant belonging to the family Apiaceae. It is widely recognized for its aromatic seeds, which have been used in culinary and medicinal applications for centuries. Anise is primarily known for its distinctive sweet, licorice-like flavor and is often utilized in the manufacture of liqueurs, baked goods, and as a flavoring agent in various cuisines. In traditional medicine, anise seeds are believed to possess various therapeutic properties, including carminative, antimicrobial, and anti-inflammatory effects.
Indications
- Dyspepsia
- Flatulence
- Cough
- Insomnia
- Loss of appetite
Dosage
Children: As with adults, dosage for children should be determined by a healthcare provider based on age, weight, and clinical condition.
Adults: Dosage varies based on the form of anise used (e.g., whole seeds, powdered, or oil). Consult a qualified healthcare professional for specific dosing recommendations.
Mechanism of action
The active compounds in anise, particularly anethole, are thought to exert their effects through various mechanisms, including modulation of the gastrointestinal tract's motility, enhancement of mucosal secretion, and antimicrobial activity against a range of pathogens. Anethole may also interact with certain receptors, such as estrogen receptors, contributing to its potential hormonal effects.
Pharmacodynamics
Anise demonstrates several pharmacological effects, including carminative properties, which help alleviate gas and bloating, and antimicrobial effects against certain bacteria and fungi. It may also exhibit antioxidant activity, providing protection against oxidative stress. Anise has been used in traditional medicine for its potential to stimulate appetite and digestive functions, and it may have mild sedative properties.
Pharmacokinetics
The pharmacokinetics of anise have not been extensively studied in clinical settings. However, anise is generally considered to be rapidly absorbed when ingested, with its active constituents metabolized primarily in the liver. The elimination half-life of its key components has not been well-established, but its effects are typically experienced shortly after consumption and may last for a few hours. Anise is primarily excreted in urine as metabolites.
Adverse effects
- Allergic reactions
- Nausea
- Vomiting
- Diarrhea
- Skin irritation
Interactions
- May interact with anticoagulants
- May enhance the effects of sedatives
- Potential interaction with other herbal supplements
Precautions
- Use with caution in individuals with allergies to plants in the Apiaceae family
- Consult healthcare provider if pregnant or breastfeeding
- Monitor for allergic reactions in sensitive individuals
Pregnancy
Not enough reliable information is available regarding the safety of anise during pregnancy. It is advisable to consult a healthcare provider before use.
Breast-feeding
Limited data is available on the safety of anise while breastfeeding. Caution is recommended, and consulting a healthcare provider is advisable.
Storage
Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
Formulations
- Whole seeds
- Ground powder
- Essential oil
- Tinctures
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: capsicum
Capsicum, commonly known as chili pepper, contains active compounds such as capsaicin that contribute to its pharmacological properties. It is primarily used for its analgesic and anti-inflammatory effects, and it is known to stimulate digestion and enhance metabolism. Capsicum is often utilized in various formulations for topical applications as well as in dietary supplements.
Indications
- Topical pain relief for conditions such as osteoarthritis and neuropathic pain
- Management of postherpetic neuralgia
- Supportive treatment for muscle and joint pain
- Stimulation of digestion and appetite
Dosage
Children: Dosage for pediatric patients should be determined by a healthcare provider, taking into consideration
Adults: Topical formulations generally recommend application to the affected area, with specific dosing instructions provided by the product label. For oral supplements, follow the manufacturer's guidelines or consult a healthcare professional.
Mechanism of action
Capsaicin, the main active component in Capsicum, exerts its effects by binding to the TRPV1 (transient receptor potential vanilloid 1) receptor, which is a cation channel involved in the transmission of pain and heat sensations. This binding leads to the depolarization of sensory neurons, resulting in the release of substance P, a neuropeptide associated with pain signaling. Continuous exposure to capsaicin results in the desensitization of these receptors, leading to decreased pain perception over time.
Pharmacodynamics
The analgesic properties of Capsicum are attributed to its ability to alter the perception of pain. Capsaicin induces a sensation of warmth and pain initially, which is followed by a prolonged analgesic effect due to the depletion of substance P from the nerve endings. Additionally, Capsicum may exhibit anti-inflammatory effects through the modulation of cytokine release and inhibition of inflammatory pathways, contributing to its therapeutic applications in pain management and inflammatory conditions.
Pharmacokinetics
Capsaicin is poorly absorbed when ingested orally, but it can be effectively absorbed through the skin when applied topically. After application, it is metabolized by the liver, and its metabolites are excreted primarily through the kidneys. The onset of action for topical preparations can vary, with effects often observed within hours. The duration of action may last from several hours to days, depending on the formulation and the area of application.
Adverse effects
- Burning sensation at the site of application
- Skin irritation or rash
- Gastrointestinal upset (if ingested)
- Allergic reactions
Precautions
- Avoid contact with eyes and mucous membranes
- Use caution in patients with sensitive skin
- Consult a healthcare professional before use in patients with underlying health conditions
Pregnancy
Capsicum is generally considered unsafe during pregnancy due to potential effects on the fetus. Pregnant women should consult a healthcare provider before use.
Breast-feeding
Capsicum should be used with caution during breastfeeding as it may affect milk production or flavor.
Storage
Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
Formulations
- Topical ointments or creams
- Capsules
- Powdered form for oral use
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: creosote
Creosote is a complex mixture of phenolic compounds derived from the dry distillation of wood tar or coal tar. It has been traditionally used as a topical antiseptic and a treatment for various skin conditions. Additionally, it has been utilized in the management of respiratory ailments due to its expectorant properties. Creosote is known for its strong odor and is typically available in a liquid form.
Indications
- Topical antiseptic
- Treatment of skin conditions such as eczema and psoriasis
- Expectorant for respiratory conditions
- Antifungal treatment
Dosage
Children: Refer to professional guidelines or specific product labeling for appropriate dosing.
Adults: Refer to professional guidelines or specific product labeling for appropriate dosing.
Mechanism of action
Creosote exhibits its effects primarily through the presence of phenolic compounds, which have antibacterial and antifungal properties. These compounds interact with the microbial cell membranes, leading to cell lysis and death. Additionally, creosote may stimulate mucous secretion in the respiratory tract, aiding in the expulsion of mucus.
Pharmacodynamics
Creosote has demonstrated antimicrobial activity against a variety of pathogens, including bacteria and fungi. It also has mild irritant properties that can stimulate the mucosal lining of the gastrointestinal tract and respiratory system, promoting expectoration. The phenolic compounds in creosote may also have anti-inflammatory effects, contributing to its therapeutic use in skin and respiratory conditions.
Pharmacokinetics
The pharmacokinetics of creosote are not well-characterized due to its complex composition. However, it is known that the absorption of phenolic compounds can occur through the skin and mucous membranes. Once absorbed, they may undergo hepatic metabolism and are excreted primarily in the urine. The onset of action varies depending on the route of administration and the specific formulation used.
Contra-indications
- Hypersensitivity to creosote or any of its components
- Severe liver disease
- Active gastrointestinal bleeding
- History of drug abuse
Adverse effects
- Gastrointestinal irritation
- Nausea and vomiting
- Abdominal pain
- Dizziness
- Headache
- Skin irritation
- Respiratory distress (inhalation of vapors)
Interactions
- May interact with other hepatotoxic drugs, increasing the risk of liver damage
- Potentially enhances the effects of sedatives and other central nervous system depressants
Precautions
- Use with caution in patients with liver impairment
- Monitor for signs of gastrointestinal bleeding
- Avoid use in patients with a history of substance abuse
- Consider potential occupational exposure risks
Pregnancy
Creosote should be avoided during pregnancy due to potential teratogenic effects and lack of safety data.
Breast-feeding
Due to limited data, breastfeeding while using creosote is not recommended.
Storage
Store in a cool, dry place, away from direct sunlight. Keep out of reach of children.
Formulations
- Liquid preparations for topical use
- Ointments or creams containing creosote
- Solutions for inhalation
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: eucalyptus
Eucalyptus is a genus of flowering trees and shrubs in the myrtle family, Myrtaceae. The leaves and oil extracted from eucalyptus are commonly used in traditional medicine and as flavoring agents. Eucalyptus oil is known for its antiseptic, anti-inflammatory, and analgesic properties, making it popular in respiratory therapies for conditions such as coughs, colds, and sinusitis.
Indications
- Respiratory infections
- Cough and cold symptoms
- Sinusitis
- Bronchitis
- Muscle pain and inflammation
Dosage
Children: Refer to specific product guidelines or consult a healthcare professional for appropriate dosing of eucalyptus oil in children, as it varies based on formulation and indication.
Adults: Refer to specific product guidelines or consult a healthcare professional for appropriate dosing of eucalyptus oil, as it varies based on formulation and indication.
Mechanism of action
Eucalyptus oil contains compounds such as eucalyptol (1,8-cineole) that exhibit antimicrobial properties. It acts on the respiratory system by promoting bronchodilation and reducing mucus production. The oil also has a cooling effect, which can provide relief from symptoms of respiratory distress. Additionally, the oil's anti-inflammatory properties help decrease inflammation in the airways.
Pharmacodynamics
The primary active ingredient in eucalyptus oil, eucalyptol, interacts with the body's inflammatory response and can modulate the activity of neurotransmitters involved in pain signaling. It may enhance mucociliary clearance in the respiratory tract, facilitating the expulsion of mucus and pathogens. The analgesic effects can help relieve discomfort associated with respiratory infections.
Pharmacokinetics
Eucalyptus oil is typically administered via inhalation or topical application. When inhaled, components like eucalyptol are absorbed through the mucous membranes of the respiratory tract and rapidly distributed throughout the body. The oil is metabolized primarily in the liver, and its metabolites are excreted in urine. The half-life of eucalyptol varies but is generally short, necessitating frequent dosing for sustained effects.
Adverse effects
- Allergic reactions
- Skin irritation
- Nausea
- Vomiting
- Diarrhea
- Dizziness
Interactions
- May interact with anticoagulants, potentially increasing bleeding risk
- May enhance the effects of other medications that cause sedation
Precautions
- Use with caution in individuals with asthma or other respiratory conditions
- Avoid use in young children without medical supervision
- Eucalyptus oil should not be ingested in large quantities due to toxicity
Pregnancy
Eucalyptus oil is generally considered unsafe in pregnancy due to potential toxicity and should be avoided unless prescribed by a healthcare professional.
Breast-feeding
Caution is advised when using eucalyptus during breastfeeding, as it may pass into breast milk and could affect the infant.
Storage
Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
Formulations
- Eucalyptus oil (topical, inhalation, or oral preparations)
- Eucalyptus leaves (dried for teas or extracts)
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: liquorice
Liquorice, derived from the root of Glycyrrhiza glabra, has been used in traditional medicine for centuries. It contains glycyrrhizin, the primary active compound, which is responsible for its sweet flavor and various therapeutic properties. Liquorice is often utilized for its anti-inflammatory, antiviral, and expectorant effects, making it a common ingredient in cough syrups and herbal remedies.
Indications
- Cough and respiratory tract disorders
- Peptic ulcer disease
- Gastroesophageal reflux disease (GERD)
- Adrenal insufficiency
- Inflammatory conditions
Dosage
Children: Refer to the BNF for Children for appropriate dosing.
Adults: Refer to reputable clinical guidelines or pharmacopoeias for appropriate dosing.
Mechanism of action
Glycyrrhizin inhibits the enzyme 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD2), which typically converts active cortisol to its inactive form, cortisone. This inhibition leads to increased cortisol levels, resulting in mineralocorticoid-like effects such as sodium retention and potassium excretion, which can influence blood pressure and fluid balance. Additionally, liquorice exhibits antioxidant properties and may modulate immune responses.
Pharmacodynamics
Liquorice displays a variety of pharmacological effects including anti-inflammatory, antiviral, and gastroprotective actions. Its anti-inflammatory effects are attributed to the inhibition of pro-inflammatory cytokines and the suppression of immune cell activation. The antiviral properties are primarily linked to its action against viruses such as herpes simplex and hepatitis C. Moreover, liquorice can enhance mucus secretion in the respiratory tract, facilitating the expulsion of phlegm.
Pharmacokinetics
Liquorice is absorbed from the gastrointestinal tract, with glycyrrhizin being the most bioactive compound. Its metabolites can be detected in the plasma, and the elimination half-life is variable, generally between 6 to 12 hours. The metabolism of glycyrrhizin occurs primarily in the liver, and it undergoes phase I and phase II metabolic processes. Excretion mainly occurs through urine, with both active and inactive metabolites present.
Contra-indications
- Hypersensitivity to liquorice or any of its components
- Severe hypertension
- Heart disease
- Kidney disease
- Cirrhosis of the liver
Adverse effects
- Hypertension
- Hypokalemia
- Edema
- Headache
- Fatigue
- Gastrointestinal disturbances
- Muscle weakness
- Arrhythmias
Interactions
- Corticosteroids - may enhance the effects of corticosteroids
- Digoxin - may increase the risk of digoxin toxicity due to hypokalemia
- Diuretics - may reduce effectiveness of potassium-sparing diuretics and increase potassium loss
- Antihypertensives - may counteract the effects of antihypertensive medications
Precautions
- Use with caution in patients with hypertension
- Monitor electrolytes, particularly potassium levels in long-term use
- Avoid excessive consumption, particularly in patients with underlying cardiovascular conditions
Pregnancy
Use during pregnancy is not well studied; consult a healthcare provider before use.
Breast-feeding
Limited information available; consult a healthcare provider before use.
Storage
Store in a cool, dry place away from direct sunlight.
Formulations
- Dried root
- Powder
- Extracts
- Syrups
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: menthol
BNF-referencedMenthol is a cyclic monoterpene alcohol that is widely used as a flavoring agent and in topical analgesic preparations due to its cooling sensation. It is commonly derived from peppermint oil and is known for its soothing properties in various applications, including cough drops, ointments, and as a fragrance in personal care products.
Indications
- Topical analgesic for muscle and joint pain
- Cough suppressant in cough drops and lozenges
- Relief of minor throat irritation
- Cooling agent in various cosmetic and personal care products
Dosage
Children: Refer to BNF for Children for specific dosing guidelines, as doses may vary based on age and formulation.
Adults: For topical use, apply a thin layer to the affected area not more than 3 to 4 times daily. For cough drops, follow the product-specific instructions as per the formulation.
Mechanism of action
Menthol acts as an agonist for the transient receptor potential subtype M8 (TRPM8), a non-selective cation channel that is activated by cold temperatures. This activation leads to calcium influx in mast cells, inducing the release of histamine, which can trigger allergic responses such as urticaria, asthma, and rhinitis. Menthol's ability to induce histamine release via TRPM8 suggests potential therapeutic applications for TRPM8 antagonists in managing cold- and menthol-induced allergies.
Pharmacodynamics
Menthol produces a cooling effect by stimulating sensory neurons that convey cold sensations. It interacts with TRPM8 channels, leading to the activation of intracellular signaling pathways that can result in vasodilation and increased blood flow to the area of application. This cooling sensation can provide symptomatic relief in conditions characterized by pain or irritation.
Pharmacokinetics
Menthol is absorbed through the skin and mucous membranes, with systemic effects depending on the route of administration. Its bioavailability can vary, and it is metabolized primarily in the liver. The elimination half-life and excretion pathways have not been extensively characterized, but menthol is generally considered to have a rapid onset of action with effects lasting for a few hours.
Adverse effects
- Allergic reactions
- Urticaria
- Asthma
- Rhinitis
- Skin irritation
Precautions
- Use with caution in patients with known allergies to menthol or related compounds
- May exacerbate asthma in sensitive individuals
Pregnancy
There are no well-controlled studies of menthol in pregnant women. Menthol should be used during pregnancy only if clearly needed.
Breast-feeding
Menthol is excreted in breast milk. Caution should be exercised when administering to nursing mothers.
Storage
Store in a cool, dry place away from light. Keep out of reach of children.
Formulations
- Topical ointment
- Cream
- Liquid
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: peppermint
Peppermint, derived from the Mentha piperita plant, is commonly used in traditional and complementary medicine. Its essential oil contains menthol, which is primarily responsible for its therapeutic effects. Peppermint is often utilized for its soothing properties, particularly in digestive disorders and respiratory conditions. It is available in various forms, including oil, capsules, and teas.
Indications
- Irritable bowel syndrome
- Dyspepsia
- Nausea
- Headaches
- Respiratory congestion
Dosage
Children: Refer to the BNF for Children for appropriate dosing guidelines.
Adults: Refer to the relevant product-specific information for dosing recommendations, as peppermint formulations can vary widely.
Mechanism of action
The primary active component, menthol, works by activating the TRPM8 (transient receptor potential cation channel subfamily M member 8) ion channel, which is involved in the sensation of cold and cooling. This action can lead to a localized anesthetic effect, reducing pain and discomfort. Additionally, menthol can cause relaxation of smooth muscle in the gastrointestinal tract, aiding in the relief of digestive symptoms.
Pharmacodynamics
Peppermint exhibits antispasmodic effects, particularly in the gastrointestinal tract, by relaxing the smooth muscles. It also has a mild analgesic effect due to its cooling sensation, which can provide symptomatic relief in various conditions. Furthermore, peppermint oil may have antimicrobial properties, contributing to its use in treating certain infections.
Pharmacokinetics
Menthol is rapidly absorbed after oral administration and is metabolized in the liver. The peak plasma concentration typically occurs within a few hours. The elimination half-life of menthol is approximately 1.5 to 2 hours, and it is primarily excreted in the urine as metabolites. The pharmacokinetics of peppermint oil can vary based on the formulation and route of administration.
Interactions
- peppermint oil + lomitapide: Unknown (increases exposure)
Pregnancy
Peppermint is generally considered safe for use in pregnancy when used in culinary amounts. However, high doses should be avoided due to potential uterine stimulation.
Breast-feeding
Peppermint is considered safe during breastfeeding when used in culinary amounts. Caution is advised with high doses as effects on the infant are not well studied.
Storage
Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
Formulations
- Peppermint oil
- Peppermint extract
- Peppermint tea
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: tolu
Tolu, also known as toluene, is an aromatic hydrocarbon commonly used as an industrial solvent and in the production of various chemicals. It is a colorless liquid with a sweet odor, and it is primarily used in paint thinners, adhesives, and coatings. Toluene is known for its ability to dissolve a wide range of organic compounds, making it useful in various applications including chemical synthesis and extraction processes.
Dosage
Children: There are no established therapeutic doses for toluene in the pediatric population. Exposure should be avoided due to potential toxicity.
Adults: There are no established therapeutic doses for toluene as it is primarily used as an industrial solvent. Exposure should be minimized due to its toxic effects.
Mechanism of action
Toluene exerts its effects primarily through its interaction with the central nervous system. It acts as a neurotoxin and can influence neurotransmitter systems, particularly those involving gamma-aminobutyric acid (GABA) and glutamate. The exact pathways are not fully elucidated, but toluene is known to enhance GABAergic activity, leading to sedative and anxiolytic effects, while also disrupting glutamate signaling, which can contribute to neurotoxicity.
Pharmacodynamics
The pharmacodynamics of toluene involve its effects on the central nervous system, where it can lead to a range of symptoms from euphoria and intoxication to neurological impairment and respiratory depression at higher exposures. Chronic exposure may result in neurobehavioral deficits, cognitive dysfunction, and potential long-term neurological damage. The effects can vary significantly based on concentration, duration of exposure, and individual susceptibility.
Pharmacokinetics
Toluene is rapidly absorbed through inhalation and dermal routes, with peak blood concentrations occurring shortly after exposure. It is metabolized primarily in the liver via cytochrome P450 enzymes, leading to the formation of various metabolites, including benzyl alcohol and hippuric acid. These metabolites are excreted in the urine. The elimination half-life of toluene varies depending on the route of exposure and individual metabolic factors, generally ranging from a few hours to a day.
Pregnancy
Toluene is not recommended during pregnancy due to potential risks to fetal development. It may cause teratogenic effects.
Breast-feeding
Toluene may be excreted in breast milk, and its use is generally not recommended while breastfeeding due to potential harm to the nursing infant.
Storage
Store in a cool, dry place away from direct sunlight, heat, and ignition sources. Ensure containers are tightly sealed.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Molecular reference: menthol
PubChem CID 1254Molecular formula: C10H20O
Mechanism of action
Exposure to low temperatures often causes allergic responses or urticaria. Similarly, menthol, a common food additive is also known to cause urticaria, asthma, and rhinitis. However, despite the obvious clinical implications, the molecular mechanisms responsible for inducing allergic responses to low temperatures and menthol have not been determined. Because a non-selective cation channel, transient receptor potential subtype M8 (TRPM8) is activated by cold and menthol, we hypothesized that this channel mediates cold- and menthol-induced histamine release in mast cells. Here, we report that TRPM8 is expressed in the basophilic leukemia mast cell line, RBL-2H3, and that exposure to menthol or low temperatures induced Ca(2+) influx in RBL-2H3 cells, which was reversed by a TRPM8 blocker. Furthermore, menthol, a TRPM8 agonist, induced the dose-dependent release of histamine from RBL-2H3 cells. When TRPM8 transcripts were reduced by siRNA (small interfering RNA), menthol- and cold-induced Ca(2+) influx and histamine release were significantly reduced. In addition, subcutaneous injection of menthol evoked scratching, a typical histamine-induced response which was reversed by a TRPM8 blocker. Thus, our findings indicate that TRPM8 mediates the menthol- and cold-induced allergic responses of mast cells, and suggest that TRPM8 antagonists be viewed as potential treatments for cold- and menthol-induced allergies. /DL-Menthol/ Menthol's characteristic cooling sensation is due, in part, to the activation of sensory neurons generally termed transient receptor potential (TRP) channels, in particular transient receptor potential melastatin family member 8 (TRPM8) and transient receptor potential subfamily A, member 1 (TRPA1). Menthol acts upon TRPM8 receptors by rapidly increasing intracellular calcium and mobilizing calcium flux through the channels to induce cold response signals at the application site. Aside from its cold-inducing sensation capabilities, menthol exhibits cytotoxic effects in cancer cells, induces reduction in malignant cell growth, and engages in synergistic excitation of GABA receptors and sodium ion channels resulting in analgesia. /DL-Menthol/ In recent years, the transient receptor potential melastatin member 8 (TRPM8) channel has emerged as a promising prognostic marker and putative therapeutic target in prostate cancer. We have found that forced overexpression of TRPM8 in PC-3 cells can inhibit the cell proliferation and motility probably through the TRPM8 activation. In this study, we aimed to investigate whether activating the TRPM8 channel by its selective agonist menthol can inhibit the proliferation and motility of androgen-independent prostate cancer (AIPC) with remarkable expression of TRPM8. Menthol is a naturally occurring compound, which has been widely used in cosmetics and pharmaceutical products, and also as flavoring in food. DU145 cells are androgen-independent but have a remarkable expression of TRPM8. The demonstration of the existence of TRPM8 and the absence of TRPA1 in DU145 cells provided the foundation for the following experiments, because both TRPM8 and TRPA1 are molecular targets of menthol. The outcome of MTT assay indicated that menthol inhibited the cell growth (p < 0.01). Cell cycle distribution and scratch assay analysis revealed that menthol induced cell cycle arrest at the G(0)/G(1) phase (p < 0.01). Furthermore, menthol inhibited the migration of DU145 cells by downregulating the focal-adhesion kinase. So it suggests that the activation of the existing TRPM8 channels may serve as a potential and pragmatic treatment for those AIPC with remarkable expression of TRPM8, and menthol is a useful compound for future development as an anticancer agent. /DL-Menthol/
Source: PubChem (NCBI) · pathways from PathBank, Reactome, WikiPathways & PharmGKB.
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The same active ingredient registered across other registries we cover - including different brands.
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