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# Citral ## Overview Citral is a mixture of two acyclic monoterpene acyclic alcohols, geranial (trans-isomer) and neral (cis-isomer). It is found in the oils of many plants, including lemon, lime, lemongrass, and verbena. It is primarily used as a flavoring agent and fragrance. Its use as a therapeutic agent is limited and primarily in traditional medicine. ## Primary Indications * **Flavoring and Fragrance:** Widely used in food, beverages, perfumes, and cosmetics. * **Limited Therapeutic Use:** Historically used in some traditional medicine systems for digestive issues, anxiety, and as an insect repellent. Evidence supporting these uses in modern clinical practice is lacking. ## Adult Dosing * Dosing for therapeutic use is not well-established due to lack of robust clinical trials. * As a flavoring agent, usage is typically at low concentrations (e.g., parts per million) in food and beverages, as per food additive regulations. ## Pediatric Dosing * No established pediatric dosing for therapeutic indications. * Use in food products should adhere to generally recognized as safe (GRAS) levels for food additives. ## Dose Adjustments * Not applicable for typical uses. For any investigational or therapeutic use, dose adjustments would depend on patient response and tolerability, but specific guidelines are unavailable. ## Contraindications * Known hypersensitivity to citral. * Direct application to broken or irritated skin may cause irritation. ## Adverse Effects * **Skin Sensitization/Allergic Contact Dermatitis:** This is the most common adverse effect, particularly with topical application. * **Irritation:** May cause mild skin or mucous membrane irritation. * Gastrointestinal upset if ingested in large quantities. ## Key Drug Interactions * No significant drug-drug interactions are well-documented for citral when used in typical food additive or fragrance concentrations. * Topical application concurrently with other topical agents that cause irritation could potentially increase the risk of local adverse effects. ## Monitoring * **For topical use:** Monitor for signs of skin irritation or allergic reaction (redness, itching, rash). * **For ingestion:** Monitor for gastrointestinal symptoms if consumed in unusually large amounts. ## Clinical Pearls * Citral is a common component of essential oils and is a significant allergen. Individuals with known allergies to citrus or essential oils should exercise caution. * Its therapeutic efficacy for common medical conditions is not supported by high-quality evidence. * Regulatory bodies like the FDA (for food) and IFRA (for fragrance) set limits on its use due to sensitization potential. --- ***Disclaimer:** This information is for educational purposes and does not substitute professional medical advice. Always consult with a qualified healthcare provider to determine the best course of treatment and to verify current prescribing information. Dosing and safety information may vary based on specific product formulations and intended use.*