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# Calamine Lotion ## Overview Calamine lotion is a topical protectant and antipruritic combination product typically consisting of zinc oxide and ferric oxide (which gives it the characteristic pink color) in an aqueous base. It acts as a mild astringent and has a cooling effect upon evaporation. ## Primary Indications * Relief of itching, pain, and discomfort associated with minor skin irritations. * Poison ivy, poison oak, poison sumac, insect bites, and minor rashes. ## Adult Dosing * **Topical:** Apply a thin layer to the affected area 3 to 4 times daily as needed. Shake the bottle well before each use to ensure even suspension of particles. ## Pediatric Dosing * **Age ≥ 6 months:** Apply a thin layer to the affected area 3 to 4 times daily as needed. * **Age < 6 months:** Consult a pediatrician before use. ## Dose Adjustments * **Renal/Hepatic Impairment:** No dose adjustments necessary; systemic absorption is negligible. ## Contraindications * Hypersensitivity to any component of the formulation. * Do not apply to open wounds, raw or oozing surfaces, or blistered skin. ## Adverse Effects * **Common:** Mild skin dryness, irritation, or contact dermatitis. * **Rare:** Allergic reactions (e.g., rash, swelling, hives). ## Key Drug Interactions * None clinically significant due to minimal systemic absorption. ## Monitoring * Monitor for signs of worsening irritation, infection (increased redness, warmth, pus), or spread of the rash. If the condition persists for >7 days or worsens, discontinue use and consult a healthcare provider. ## Clinical Pearls * **Application:** Shake vigorously before use as the powder settles over time. * **Avoidance:** Avoid contact with eyes or mucous membranes. * **Incompatibility:** Avoid applying over thick ointments or occlusive dressings, as this may trap moisture or reduce the cooling effect. * **Storage:** Store at room temperature; protect from freezing. * **Safety:** Products are for external use only. If ingested, seek medical attention or contact a poison control center immediately. *** **Disclaimer:** This information is for educational purposes only. Always verify current prescribing information, package inserts, and local clinical protocols, as specific guidance may vary by region or clinical setting. Professional judgment must be utilized in clinical decision-making.