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# Calamine Lotion ## Overview Calamine lotion is a topical protectant and antipruritic agent consisting primarily of zinc oxide and ferric oxide. It provides a cooling, soothing effect on the skin through evaporation and mild astringent properties. ## Primary Indications * Relief of pruritus (itching) associated with minor skin irritations (e.g., poison ivy, poison oak, poison sumac, insect bites, sunburn). ## 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 uniform suspension. ## Pediatric Dosing * **Infants and Children:** Same as adult dosing. Safe for use in children; avoid application near the eyes, mouth, or mucous membranes. Ensure the skin is clean and dry before application. ## Dose Adjustments * No systemic dose adjustments required due to negligible systemic absorption. ## Contraindications * Hypersensitivity to any component of the formulation. * Do not apply to broken, blistered, or infected skin/oozing lesions. * Do not apply to areas with severe inflammation unless directed by a physician. ## Adverse Effects * **Common:** Mild skin irritation, contact dermatitis, or dryness with frequent application. * **Rare:** Allergic reaction (rash, hives, swelling). ## Key Drug Interactions * No significant systemic drug interactions are known due to minimal absorption. * May temporarily decrease the absorption of other topical medications if applied simultaneously; allow previous applications to dry completely. ## Monitoring * Monitor for signs of worsening irritation, infection, or lack of symptom improvement after 7 days of use. * Discontinue use if a new rash or allergic reaction develops. ## Clinical Pearls * **Application:** Allow the lotion to dry completely into a powdery film; do not cover with occlusive bandages or dressings. * **Storage:** Store at room temperature; shaking is essential to prevent caking at the bottom of the bottle. * **Clinical Efficacy:** While classic for poison ivy, it is primarily effective for symptom relief (soothing) rather than treating the underlying inflammatory process. * **Safety:** For external use only. If accidentally ingested, seek medical attention or contact a poison control center immediately. *** *Disclaimer: This information is for educational purposes only and does not replace professional medical advice. Always verify current prescribing information, local protocols, and package inserts before administration or recommendation.*