Doxylamine and Vitamin B6 (Pyridoxine) are used in the treatment of nausea and vomiting during pregnancy.
How Doxylamine and Vitamin B6 (Pyridoxine) Work Doxylamine and vitamin B6 (pyridoxine) are used to treat nausea and vomiting associated with pregnancy. Doxylamine is an antihistamine that works by blocking the action of a chemical messenger (histamine), thereby controlling nausea, vomiting, and dizziness. Pyridoxine (vitamin B6) is a form of vitamin B that possesses anti-nausea properties.
Common side effects of Doxylamine and Vitamin B6 (Pyridoxine) include dryness of the mouth, constipation, lightheadedness, and drowsiness.