TOUCH AND GO​ ​TINCTURE

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

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

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

Indications

• Herbal remedy for anxiety
• Support for digestive health
• Anti-inflammatory support
• Antimicrobial effects
• Pain relief
• Support for immune function

Dosage

Children: Refer to specific tincture product instructions for dosage, as this varies significantly based on the plant and concentration.

Adults: Refer to specific tincture product instructions for dosage, as this varies significantly based on the plant and concentration.

Mechanism of action

The mechanism of action of tinctures depends on the specific herbs or plants used in their preparation. Generally, the active compounds extracted from the plant material interact with various biological pathways, including receptor modulation, enzyme inhibition, and antioxidant activity. For example, flavonoids and alkaloids found in many tinctures may exhibit anti-inflammatory, analgesic, or antimicrobial effects through their interaction with cellular signaling pathways.

Pharmacodynamics

The pharmacodynamics of tinctures is influenced by the specific constituents of the herbal material. These constituents may exert effects such as enhancing or inhibiting neurotransmitter activity, modulating inflammatory responses, or influencing metabolic pathways. The effects can vary widely among different tinctures based on the plant used, the extraction method, and the concentration of the active ingredients.

Pharmacokinetics

The pharmacokinetics of tinctures involves absorption, distribution, metabolism, and excretion of the active compounds. After administration, the alcohol or vinegar solvent aids in the rapid absorption of these compounds through the mucosal membranes or gastrointestinal tract. Once absorbed, the compounds are distributed throughout the body and may undergo metabolic transformations primarily in the liver. The elimination half-life varies based on the specific herb and its active constituents, with some compounds being excreted unchanged while others are metabolized into active or inactive metabolites.

Contra-indications

• Hypersensitivity to any component of the tincture
• Severe liver disease
• Pregnancy (specific tinctures may vary)

Adverse effects

• Skin irritation
• Allergic reactions
• Gastrointestinal upset
• Drowsiness or sedation (depending on the active ingredient)

Interactions

• May interact with alcohol, increasing sedative effects
• Potential interactions with other CNS depressants
• May affect the metabolism of certain drugs via hepatic pathways

Precautions

• Use cautiously in patients with a history of substance abuse
• Monitor liver function in patients with liver disease
• Caution in operating machinery or driving due to potential drowsiness

Pregnancy

Generally not recommended during pregnancy due to potential risks associated with alcohol and other active ingredients.

Breast-feeding

Caution is advised, as components may pass into breast milk and affect the infant.

Storage

Store in a cool, dry place away from direct sunlight. Keep tightly closed and out of reach of children.

Formulations

• Tinctures of various herbs and compounds, including but not limited to: echinacea, valerian, and calendula

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/