Pairing vitamin B6 with Unisom (doxylamine) provides additional relief. While Unisom is generally safe to take while pregnant, you should check with your healthcare provider beforehand.

Women can get doxylamine (Unisom SleepTabs) in 25 mg tablets and vitamin B6 in 25- or 50-mg tablets (note that Unisom SleepGels contain diphenhydramine, not doxylamine). There are various dose ...