International reference: 5 US FDA recalls for this ingredient
Chemical Contamination: Product recalled due to an elevated level of a residual solvent impurity in the API that exceeds the Threshold of Toxicological Concern (TTC) calculation for the impurity. (solvent)
Marketed Without An Approved NDA/ANDA: Flawless Beauty, LLC is voluntarily recalling all lots of different products sold individually or as part of multi-unit kits in accordance with Consent Decree of Permanent Injunction ordered by the United States District Court due to misbranding and unapproved (solvent)
Incorrect/Undeclared Excipients: Specific drug products were compounded with an incorrect solvent. (solvent)
Incorrect/Undeclared Excipients: Specific drug products were compounded with an incorrect solvent. (solvent)
Incorrect/Undeclared Excipients: Specific drug products were compounded with an incorrect solvent. (solvent)
US-market enforcement records (OpenFDA), shown for reference - not specific to this product in Zambia.
Forache Toothache solution
Cajuput oil 0.252 g,Clove Oil 0.134 g,Menthol 0.126 g,Solvent Ether 0.151 ml,Tolu balsam 0.126 g
What it does
Balsam is a natural substance often used for its soothing properties. It is commonly found in topical treatments and some medicinal products.
Commonly used for: skin irritations, coughs (as an ingredient in syrups), wound healing
Read more in plain English ↓Plain-language summary for general understanding - not medical advice. Always follow your pharmacist/doctor.
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Answers come only from this medicine's registration record, BNF monograph and interaction data - not medical advice.
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Sourcing - Kenya onlyRegistration & product details
Source: Zambia Medicines Regulatory Authority · fetched 2026-03-12 00:00:42 · updated 2026-09-24 03:32:10
About balsam
Balsam is a natural substance often used for its soothing properties. It is commonly found in topical treatments and some medicinal products.
What it treats
- skin irritations
- coughs (as an ingredient in syrups)
- wound healing
How it works
Balsam helps to soothe and protect the skin, and it may also help relieve coughs by acting on the throat.
Who it's for
Balsam can be used by adults and children who need relief from skin issues or coughs.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About cajuput
Cajuput is a natural substance often used for its soothing properties.
What it treats
- skin irritations
- muscle aches
- coughs
- cold symptoms
How it works
Cajuput has calming effects that may help relieve discomfort and promote healing.
Who it's for
Cajuput can be used by adults and children for mild ailments like skin issues and respiratory discomfort.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About clove
Clove is a spice that has been used for its potential health benefits, including its anti-inflammatory and antioxidant properties.
What it treats
- digestive issues
- pain relief
- inflammation reduction
- oral health
How it works
Clove contains compounds that may help reduce inflammation and fight infections.
Who it's for
Clove may be suitable for people looking for natural remedies for digestive problems, pain relief, or to improve oral health.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About ether
Ether is a chemical compound often used as an anesthetic in medical settings.
What it treats
- anesthesia (loss of sensation)
- sedation (calming patients)
How it works
Ether works by depressing the central nervous system, which helps to block pain and induce sleep during medical procedures.
Who it's for
Ether is typically used for patients undergoing surgery or other procedures where anesthesia is needed.
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 solvent
Solvent is a substance that can dissolve other materials. It is commonly used in various applications, including medications and industrial processes.
What it treats
- used in medications
- used in industrial processes
How it works
Solvents help to dissolve other substances, making them easier to mix or use in different applications.
Who it's for
Solvent is used by manufacturers and in certain medical formulations.
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: balsam
BNF-referencedBalsam refers to various aromatic resins obtained from certain trees, primarily used in traditional medicine and as flavoring agents in food and beverages. The most common types include balsam of Peru and balsam of Tolu. These substances are known for their pleasant fragrance and potential therapeutic properties.
Indications
- Skin conditions (e.g., eczema, dermatitis)
- Respiratory issues (e.g., cough, cold)
- Topical antiseptic applications
- Aromatic uses for mood enhancement
Dosage
Children: Refer to relevant product-specific guidelines as doses may vary by formulation and use.
Adults: Refer to relevant product-specific guidelines as doses may vary by formulation and use.
Mechanism of action
Balsam exerts its effects primarily through its volatile compounds, which may exhibit anti-inflammatory, antiseptic, and analgesic properties. The specific pathways are not well-characterized in modern pharmacology, but traditional uses suggest modulation of inflammatory pathways and soothing of mucosal irritations.
Pharmacodynamics
Balsam compounds may influence various biological pathways, contributing to their anti-inflammatory and soothing effects. The aromatic properties can enhance mood and well-being, while topical applications are known to relieve certain skin conditions. The pharmacodynamics in humans, however, require more clinical evidence to fully elucidate their mechanisms.
Pharmacokinetics
The pharmacokinetics of balsam components are not extensively documented, but it is known that the compounds can be absorbed through the skin and mucous membranes. Metabolism primarily occurs in the liver, and elimination is expected to be via urine. However, specific half-lives and clearance rates are not well-studied.
Pregnancy
There is limited information available regarding the safety of balsam during pregnancy. It is advisable to avoid use unless clearly necessary.
Breast-feeding
Due to insufficient data on the excretion of balsam in human milk, caution is advised when using balsam while breastfeeding.
Storage
Store in a cool, dry place away from direct sunlight.
Formulations
- {'name': 'Balsam', 'molecular_formula': 'C15H24', 'description': 'Balsam is a natural resin obtained from various trees, known for its aromatic and medicinal properties. It is often used in topical preparations and alternative medicine.'}
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: cajuput
Cajuput oil is an essential oil derived from the leaves and twigs of the Melaleuca cajuputi, a tree native to Australia and Southeast Asia. It is commonly used in traditional medicine for its antiseptic, anti-inflammatory, and analgesic properties. Cajuput oil is also used in aromatherapy and as a topical remedy for various ailments, including respiratory issues, muscle pain, and skin irritations.
Indications
- Respiratory tract infections
- Bronchitis
- Muscle pain
- Joint pain
- Skin irritations
- Headaches
Dosage
Children: Caution is advised when using cajuput oil in children. Generally, topical application should be performed with appropriate dilution in a carrier oil.
Adults: Topical application is common, typically diluted in a carrier oil. For respiratory issues, inhalation of steam with cajuput oil may be recommended. Refer to specific guidelines or clinical advice for detailed dosing.
Mechanism of action
Cajuput oil primarily exerts its effects through its active constituents, such as 1,8-cineole (eucalyptol), which acts as a mucolytic agent and helps to loosen mucus in the airways. Additionally, its antimicrobial properties are attributed to its ability to disrupt microbial cell membranes, leading to cell lysis. The oil may also exert anti-inflammatory effects by inhibiting the production of pro-inflammatory cytokines.
Pharmacodynamics
Cajuput oil displays a range of pharmacological effects, including analgesic, anti-inflammatory, and antispasmodic activities. Its compounds can stimulate the central nervous system and improve respiratory function, making it useful in treating conditions like bronchitis and sinusitis. The oil's local irritant properties can enhance blood flow to the applied area, contributing to pain relief.
Pharmacokinetics
The pharmacokinetics of cajuput oil are not extensively studied, but it is known that when applied topically, its components can penetrate the skin and enter systemic circulation. The absorption, distribution, metabolism, and excretion of its constituents, particularly 1,8-cineole, are influenced by factors such as formulation, route of administration, and individual patient characteristics. Inhalation of the vaporized oil can lead to rapid absorption through the respiratory tract.
Adverse effects
- Allergic reactions
- Skin irritation
- Gastrointestinal upset
Precautions
- Use cautiously in individuals with known allergies to plants in the Myrtaceae family.
- Avoid contact with eyes and mucous membranes.
Pregnancy
Caution is advised as safety during pregnancy has not been established.
Breast-feeding
Limited data available; consult a healthcare provider.
Storage
Store in a cool, dry place away from direct sunlight.
Formulations
- Essential oil
- Topical ointments
- Inhalation solutions
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: clove
Clove, derived from the flower buds of the Syzygium aromaticum tree, is a spice and herbal remedy known for its distinct flavor and potential health benefits. It has been used traditionally in various cultures for its analgesic, anti-inflammatory, and antimicrobial properties. Clove oil is particularly noted for its high eugenol content, which is responsible for many of its therapeutic effects.
Indications
- Pain relief
- Anti-inflammatory conditions
- Antimicrobial applications
- Dental pain
- Digestive disorders
Dosage
Children: Refer to healthcare professional for appropriate dosing guidelines as clove oil is generally not recommended for children without medical supervision.
Adults: For topical application, clove oil can be diluted with a carrier oil and applied as needed. For oral use, standard culinary doses are generally considered safe, but specific therapeutic doses should be guided by a healthcare professional.
Mechanism of action
Eugenol, the primary active compound in clove, exhibits its effects through several pathways. It acts as an analgesic by inhibiting the synthesis of prostaglandins, which are mediators of pain and inflammation. Additionally, eugenol has been shown to interact with voltage-gated sodium channels, which may contribute to its analgesic effects. Its antimicrobial properties are partly due to its ability to disrupt the cell membranes of bacteria and fungi.
Pharmacodynamics
Clove has a variety of pharmacodynamic effects, primarily attributed to eugenol. It exhibits analgesic, anti-inflammatory, and antioxidant properties. Clove oil has been found to reduce pain and inflammation in various experimental models. Its antimicrobial activity is effective against a range of pathogens, making it a candidate for use in oral health products. Furthermore, the antioxidant properties help in neutralizing free radicals, thereby providing protective effects against cellular damage.
Pharmacokinetics
Clove oil is absorbed through the gastrointestinal tract when ingested and can also be absorbed through the skin when applied topically. The bioavailability of eugenol can be influenced by its formulation and method of administration. Once absorbed, eugenol is distributed throughout the body, metabolized primarily in the liver, and excreted via the kidneys. The half-life of eugenol varies but is generally short, necessitating frequent dosing for sustained effects in therapeutic use.
Adverse effects
- Allergic reactions
- Gastrointestinal irritation
- Liver toxicity with excessive use
- Hypoglycemia
Interactions
- May enhance the effects of anticoagulants
- May interact with antidiabetic medications
- May reduce the effectiveness of certain antiepileptic drugs
Precautions
- Use with caution in individuals with liver disease
- Caution in patients with bleeding disorders
- Monitor blood sugar levels in diabetics
Pregnancy
Use during pregnancy is not recommended due to potential effects on the fetus.
Breast-feeding
Limited data available; use with caution as clove can affect milk production.
Storage
Store in a cool, dry place away from direct sunlight.
Formulations
- Essential oil
- Dried whole cloves
- Powdered clove
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: ether
BNF-referencedEther, specifically diethyl ether, is a volatile organic compound with a molecular formula of C4H10O. It is primarily used as a general anesthetic, historically significant in the field of anesthesia, although its use has declined in favor of newer agents. Ether acts by inducing reversible loss of consciousness, and its mechanism of action remains somewhat unclear, involving interactions with neuronal membranes and ion channel proteins.
Indications
- General anesthesia
- Induction of anesthesia
- Sedation in surgical procedures
Dosage
Children: Refer to the BNF for Children for specific dosing information based on age and weight.
Adults: Dosage varies depending on the procedure and patient characteristics; refer to specific clinical guidelines.
Mechanism of action
The exact mechanism of action of diethyl ether is not completely understood. It is believed to produce reversible loss of consciousness through interactions with membrane lipids and hydrophobic regions of membrane-bound proteins. The drug may alter the function of ion channel proteins, potentially affecting the GABA receptor, which is implicated in the modulation of neuronal excitability. Additionally, ether has been shown to increase plasma levels of adrenaline and noradrenaline, suggesting stimulation of neurosympathetic and adrenomedullary functions.
Pharmacodynamics
Ether induces general anesthesia characterized by a reversible loss of sensation and consciousness. Its anesthetic properties are thought to be the result of its effects on neuronal signaling and neurotransmitter systems, primarily by enhancing inhibitory neurotransmission through GABAergic pathways, leading to decreased neuronal excitability and a sedative effect.
Pharmacokinetics
Diethyl ether is rapidly absorbed through the lungs and is distributed widely in body tissues due to its lipophilicity. It is metabolized primarily in the liver, and elimination occurs through exhalation and minor metabolic pathways. The onset of action is swift, with effects seen within minutes of inhalation, and recovery is equally rapid upon cessation of exposure.
Adverse effects
- Nausea
- Vomiting
- Respiratory depression
- Cardiovascular instability
- Hypotension
- Delayed recovery from anesthesia
Interactions
- May potentiate the effects of other central nervous system depressants
- Increased risk of respiratory depression when used with opioids
- Potential interaction with alcohol, leading to enhanced sedation
Precautions
- Use with caution in patients with respiratory or cardiovascular diseases
- Monitor for signs of respiratory depression
- Ensure appropriate equipment and personnel are available for anesthesia
Pregnancy
Use is contraindicated during pregnancy due to potential risks to the fetus.
Breast-feeding
Use with caution; limited data available on excretion in breast milk.
Storage
Store in a cool, dry place, away from heat and direct sunlight. Keep tightly closed.
Formulations
- Inhalation solution
- Liquid 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: 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: solvent
Solvents are substances, typically liquids, used to dissolve a solute, resulting in a solution. They play a crucial role in various industrial, pharmaceutical, and laboratory processes. Common solvents include water, ethanol, acetone, and chloroform. In the pharmaceutical context, solvents can be used to prepare solutions for medications, facilitate drug absorption, or act as carriers for active ingredients.
Indications
- Dilution of medications
- Preparation of pharmaceutical formulations
- Facilitation of drug absorption
- Chemical reactions in laboratories
- Industrial applications
Dosage
Children: Refer to specific product guidelines and BNF for Children for appropriate use.
Adults: Refer to specific product guidelines and BNF for appropriate use.
Mechanism of action
Solvents facilitate the dissolution of solutes by disrupting intermolecular forces, allowing for the formation of a homogeneous mixture. Depending on the solvent and solute, the mechanism may involve hydrogen bonding, van der Waals forces, or dipole-dipole interactions. In biological systems, solvents can influence the solubility and bioavailability of drugs, modifying their pharmacological effects.
Pharmacodynamics
The pharmacodynamics of solvents are closely related to their properties, such as polarity, viscosity, and boiling point. As solvents interact with biological membranes and tissues, they can affect drug release rates and absorption. The efficacy of a solvent in drug formulation may also determine the therapeutic outcomes by influencing the drug's stability and distribution in the body.
Pharmacokinetics
The pharmacokinetics of solvents involves their absorption, distribution, metabolism, and excretion (ADME) in the body. Solvents can be absorbed through various routes, including oral, dermal, or inhalation. Once in the system, they can rapidly distribute to tissues, depending on their chemical nature. Metabolism may occur in the liver, where solvents can be converted into less toxic compounds, while excretion usually takes place via the urinary system. The rate of these processes can be influenced by the solvent's properties and the presence of other substances.
Pregnancy
The safety of solvent use during pregnancy is not well established. Caution is advised, and risks should be weighed against benefits.
Breast-feeding
The effects of solvents during breastfeeding are not well studied. Caution is recommended due to potential risks to the infant.
Storage
Store in a cool, dry place away from direct sunlight and heat sources. Keep containers tightly closed to prevent contamination.
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: balsam
PubChem CID 133110026Molecular formula: C15H24
Source: PubChem (NCBI) · pathways from PathBank, Reactome, WikiPathways & PharmGKB.
Molecular reference: ether
PubChem CID 3283Molecular formula: C4H10O
Mechanism of action
The mechanism of action by which .... ethyl ether produce/s/ reversible loss of consciousness is still unclear. Anesthesia can be produced by a wide variety of chemical agents, ranging from inert rare gases to steriodal molecules. This apparent lack of specificity, together with the observation that general anesthesia can be reversed by high pressure, poses a unique pharmacological problem. Most theories concern interaction of anesthetics with either membrane lipids or hydrophobic regions of specificic membrane-bound proteins. One hypothesis is that the anesthetic changes the function of an ion channel protein by modifying the conformation of the protein. Some investigators suggest that the GABA receptor may be the ion channel protein that is affected by inhalation of anesthetic agents... The most appropriate concept for the mechanism of general anesthesia /may be/ a the heterogenous site of anesthetic action, including both lipid and protein membrane components linked with neuronal function. In chronically catheterized rats, diethyl ether increased plasma adrenaline and noradrenaline concentrations indicating that this drug stimulates both neurosympathetic and adrenomedullary functions. These effects appear to be centrally mediated, since ganglionic blockade or spinal transection completely counteracted the diethyl ether induced increases in plasma calcium levels. Hippocampal EEG signals derived from chronically implanted electrodes in the freely moving rat were recorded before and after administration of centrally acting drugs, and analyzed by power and coherence spectra. Diethyl ether induced a low frequency (3-6 c/s) theta power and coherence peak in the immobile rat, which was sensitive to atropine or scopolamine. The residue spectrum, defined as the EEG spectrum with the theta harmonics removed, was sensitive to centrally acting drugs. Diethyl ether suppressed fast waves of 50-100 c/s, and some conditions, enhanced 15-50 c/s waves. The plasma beta-endorphin responses to ether and handling stress were examined in animals of various ages. At each age studied there was a significant, stress-induced elevation of plasma beta-endorphin-like immunoreactivity levels were higher in animals 3,7, and 14 days of age than in adults. Cortical action potential activity is suppressed by ether anesthesia and is not affected when sensory fibers in the sciatic nerve are stimulated. Consequently, ether blocks sensory pathways to the cortex; the blockade occurs even before cortical activity is entirely suspended. In contrast, pentobarbital suppresses activity in the cortex without blocking the sensory path to it during sciatic nerve stimulation.
Source: PubChem (NCBI) · pathways from PathBank, Reactome, WikiPathways & PharmGKB.
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.
This drug in other countries
The same active ingredient registered across other registries we cover - including different brands.
- ABICOF JUNIOR SYRUP · Socomed Pharmaceutical
- ABICOF SYRUP · Socomed Pharmaceutical
- ADDRUB GEL · Addii Biotech
- ADDRUB GEL ( Diclofenac Diethylamine/ Methyl Salicylate/Menthol/ Linseed Oil Gel 1.16%w/w/1.0%w/w/ 10.0% w/w / 5.0w/w/ 3.0w/w) · Addii Biotech
- ADULT MALIN COUGH SYRUP · M&g Pharmaceuticals
- AMCOF ADULT COUGH SYRUP · Salom Pharmacy