Unisom SleepTabs: $12 at Amazon Doxylamine succinate is an antihistamine medication often used to treat allergies and the common cold. That is because it blocks histamine, the part of the body ...

diphenhydramine (Benadryl) doxylamine succinate (Nyquil) While diphenhydramine and doxylamine succinate are approved by the FDA to help with sleep, some studies do not recommend their use due to ...

ACTIVE INGREDIENTS: Active ingredients are Acetaminophen 650 mg, Dextromethorphan HBr 30 mg, and Doxylamine succinate ... cough suppressant and antihistamine. GLUTEN FREE: This product is Gluten ...

In the U.S., treatment of nausea and vomiting during early pregnancy usually involves pyridoxine (vitamin B 6) and antihistamines, such as doxylamine succinate, promethazine, or meclizine.