Add Yahoo as a preferred source to see more of our stories on Google. Note that Unisom Sleep Tabs are different from Unisom Sleep Gels, which contain another antihistamine, diphenydramine HCl, as the ...
Medically reviewed by Sanaz Ghazal, MD Key Takeaways Unisom is safe to use during pregnancy and does not increase the risk of birth defects.Taking Unisom with vitamin B6 can help with nausea and ...