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What is Prevymis used to treat?

Medically reviewed by Last updated on Jan 13, 2020.

Official Answer


Prevymis (letermovir) is used for the prevention of cytomegalovirus (CMV) infection in patients who have received an allogeneic stem-cell transplant (from a matching donor).

Cytomegalovirus is a potentially serious viral infection that is more common in patients who are immune-suppressed, such as AIDS patients, people with cancer, people receiving organ or bone marrow transplants, and newborn babies of women infected with CMV during pregnancy. The FDA approved Merck's Prevymis in November 2017.

Drug Information

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