To treat a poison oak rash, use a steroid cream, calamine lotion, or antihistamine. Poison oak is a shrub that grows on the US west coast and can cause an allergic skin reaction in about 85% of ...

she was treated with calamine lotion, oral antihistamines, and a 1-week prednisone taper. Three months later, she presented with numerous little white papules in the areas of the previous ...