does unisom work for morning sickness allergies, but curl up on the couch after taking it and get ready for a nap I am from Canada and have been dealing with morning sickness from week 6 to now ( 10 weeks tomorrow). Despite some. Has anyone taken Unisom and Vitamin b6 for morning sickness? Both Unisom and the prescription medication Diclectin® contain the active ingredient Doxylamine Succinate (an antihistamine), which is shown to dramatically reduce symptoms of nausea and vomiting in pregnant women. "> Secured By miniOrange