A member asked:

Is 1200mg guaifenesin twice a day safe to take during pregnancy? my ob said guaifenesin is safe, but did not tell me which dosage. thank you, doctors!

A doctor has provided 1 answer

Category C Med: Gestational studies have not shown any negative effects on fetal development when used at regular doses. There are not enough studies to move the med into a safer grouping.The extended dose preparations have the same impact as the simple 400 mg giver every 4 hours.

Answered 8/2/2013

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