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# Citral ## Overview Citral is a mixture of two acyclic monoterpene aldehydes, geranial (trans-isomer) and neral (cis-isomer). It is found naturally in the oils of several plants, including lemon, lemongrass, and verbena. ## Primary Indications Citral is primarily used as a flavoring agent in food and beverages and as a fragrance ingredient in perfumes and cosmetics. It also has some reported use as an insect repellent. Its use as a therapeutic agent is limited and not well-established by robust clinical trials. ## Adult Dosing There is no standard therapeutic dosing for citral. When used as a flavoring agent, typical concentrations are in the parts per million (ppm) range. For cosmetic or fragrance use, concentrations vary widely depending on the product. ## Pediatric Dosing There is no established pediatric dosing for citral. ## Dose Adjustments Dose adjustments are not applicable as there is no established therapeutic dosing. ## Contraindications * Hypersensitivity to citral. * Potential for skin sensitization; avoid in individuals with known allergies to fragrances or essential oils. ## Adverse Effects The most common adverse effects are related to topical application: * Skin irritation * Allergic contact dermatitis (skin sensitization) * Photosensitivity (rare) Oral ingestion in significant quantities can cause gastrointestinal upset. ## Key Drug Interactions No significant drug interactions are well-documented for therapeutic use due to its limited therapeutic applications. ## Monitoring * Monitor for signs of skin irritation or allergic reaction with topical application. ## Clinical Pearls * Citral is generally recognized as safe (GRAS) for use as a food flavoring agent by the FDA within specified limits. * Its use as an insect repellent is based on anecdotal evidence and limited studies. * Citral is a common allergen in fragrances and is listed by the International Fragrance Association (IFRA) with restrictions for use in consumer products to minimize sensitization. *** **Disclaimer:** This information is intended for healthcare professionals and is not a substitute for professional medical advice. Always consult the most current prescribing information and relevant guidelines before making any treatment decisions. Dosing and safety information can vary based on product formulation, route of administration, and individual patient factors.