Is Unisom Habit-forming?
Unisom is an over-the-counter drug that provides relief for short-term sleeplessness. It contains doxylamine succinate as the active ingredient. This ingredient is an antihistamine that works by blocking the effects of histamine, a substance produced by the body in response to allergens. Therefore, besides treating short-term insomnia, Unisom can also treat allergies. It is also used to treat nausea and