Category C: Category c means that the medication in this category tested on pregnant animal and showed adverse effect. It has not been tested on human. Norco and Phenergan (promethazine) both are category c. Please talk to your doctor for a safer choice.
Answered 6/30/2014
5.5k views
GYN: There are better antiemetic drugs. Your obstetrician can offer safer choices.
Answered 3/26/2013
5.4k views
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