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# Calamine Lotion ## Overview Calamine lotion is a topical protectant and antipruritic containing zinc oxide and ferric oxide. It provides a cooling, soothing effect upon evaporation and acts as a mild astringent. ## Primary Indications * Relief of minor skin irritation (e.g., poison ivy/oak/sumac, insect bites, prickly heat). * Temporary relief of itching associated with dermatitis. ## Adult Dosing * Apply a thin layer to the affected area 3–4 times daily as needed. * Shake well before use to ensure uniform suspension. ## Pediatric Dosing * **Children ≥ 6 months:** Apply a thin layer to the affected area up to 3–4 times daily as needed. * **Infants < 6 months:** Use only as directed by a pediatrician. ## Dose Adjustments * No systemic dose adjustments required due to lack of significant percutaneous absorption. ## Contraindications * Hypersensitivity to any component (zinc oxide, ferric oxide, bentonite magma, calcium hydroxide, glycerin). * Do not apply to open wounds, blistered skin, or weeping/broken skin unless advised by a healthcare professional. ## Adverse Effects * **Common:** Mild skin irritation, contact dermatitis, or dryness upon repeated use. * **Rare:** Localized allergic reaction (erythema, itching). ## Key Drug Interactions * No significant systemic drug interactions identified due to minimal topical absorption. * *Note:* Avoid concomitant use of other topical medications on the same skin area to prevent interference with drug absorption. ## Monitoring * Monitor for signs of worsening irritation, infection (increased redness, pus, warmth), or failure to resolve within 7 days. ## Clinical Pearls * **Application:** Clean and dry the affected area before application. * **Removal:** Calamine lotion can be easily removed by washing with warm water and soap. * **Accidental Ingestion:** If large amounts are ingested, seek medical attention or contact a Poison Control Center immediately. * **Appearance:** Product dries to a pink powder; use caution near clothing or fabrics to avoid staining. * **Avoid Contact:** Avoid contact with eyes or mucous membranes. *** **Disclaimer:** This information is for educational purposes and does not replace professional medical judgment. Always verify current prescribing information, institutional protocols, and patient-specific factors with a healthcare provider or official drug monographs before use.