what medication is a small white pill with RVT 20 on one side and pfizer on the other m

Not Medical Advice: A round shaped white pill with the imprint RVT 20 on the front, and Pfizer on the back of it is 20mg of Revatio (made by Pfizer U.S. Pharmaceuticals). Revatio is a pulmonary hypertension agent that is used to treat pulmonary arterial hypertension. There is a low risk of abuse with this drug. This prescription-only medication is not proven to be a risk to an unborn fetus, but should be used only under a doctor's supervision.