Hydrozole Cream 20g (Clotrimazole + Hydrocortisone)Hydrozole Cream 20g Clotrimazole + Hydrocortisone (GSK) Prescription required. Use only as directed by a licensed physician or dermatologist. Hydrozole Cream 20g is a dual action prescription topical cream manufactured by GlaxoSmithKline (GSK). It combines two active ingredients Clotrimazole 1% (a broad spectrum antifungal) and Hydrocortisone 1% (a mild corticosteroid anti inflammatory) to address both the fungal infection and its associated