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# Citral ## Overview Citral is a naturally occurring monoterpene aldehyde found in the oils of many plants, including lemon myrtle and lemongrass. It is primarily used as a flavoring agent and fragrance ingredient. There is limited high-quality evidence to support its use as a therapeutic agent in humans. ## Primary Indications * **Flavoring Agent:** Widely used in food and beverages. * **Fragrance Ingredient:** Used in perfumes, cosmetics, and household products. * **Limited Therapeutic Evidence:** Some *in vitro* and animal studies suggest potential antimicrobial, anti-inflammatory, or insecticidal properties, but these are not established indications for human use. ## Adult Dosing * **Flavoring/Fragrance:** Dosing is not applicable as it is used in small, variable amounts for sensory purposes and is regulated by food and cosmetic safety standards. ## Pediatric Dosing * **Flavoring/Fragrance:** Not applicable. Safety in pediatric populations for therapeutic use is not established. ## Dose Adjustments * Not applicable for its intended uses. ## Contraindications * Known hypersensitivity to citral. * **Caution:** Individuals with known skin sensitization or allergic contact dermatitis may be more susceptible. ## Adverse Effects * **Dermal:** Skin irritation, allergic contact dermatitis, photosensitivity (especially with sun exposure after topical application). * **Oral:** Gastrointestinal upset (nausea, vomiting, diarrhea) at high doses, though typically safe in amounts used for flavoring. * **Inhalation:** Respiratory irritation or bronchospasm in sensitive individuals. ## Key Drug Interactions * **Topical Products:** Potential for additive irritation or sensitization when used with other potentially irritating or sensitizing topical agents. * **No significant systemic drug interactions are established for the concentrations used in food or fragrance.** ## Monitoring * **Topical Use:** Monitor for signs of skin irritation or allergic reactions. * **Oral Use:** Monitor for gastrointestinal distress if ingested in significant quantities. ## Clinical Pearls * Citral is generally recognized as safe (GRAS) by the FDA for use as a flavoring agent. * Its use as a therapeutic agent is not supported by robust clinical evidence. * Potential for skin sensitization with repeated or prolonged topical exposure. * Individuals with asthma or other respiratory conditions may experience exacerbations upon inhalation of citral-containing products. *** *Disclaimer: This information is intended for clinical decision-making support and does not replace comprehensive drug information resources. Always consult the most current prescribing information and relevant guidelines for complete details. Prescribing decisions should be made based on individual patient factors and clinical judgment.*