Which antiviral drug is highly likely to cause birth defects when taken by a pregnant woman?

Question

Quizplus · Accepted Answer

The likelihood for acyclovir to increase the risk for birth defects or fetal harm is low.Zanamivir is orally inhaled and poorly absorbed,not a risk for birth defects.Rimantadine has a moderate likelihood of increasing the risk for birth defects.Ribavirin is a known teratogen and has a very high likelihood of increasing the risk for birth defects and fetal harm.

Which Antiviral Drug Is Highly Likely to Cause Birth Defects