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Letermovir

This form:

Pronounced

"le-TERM-oh-vir"

Common brand names:

Prevymis

Uses

This medication is used to prevent disease caused by a virus called cytomegalovirus (CMV) in people who have received a bone marrow transplant or kidney transplant. CMV disease can cause serious infections, including an infection in the eye, called CMV retinitis, that can cause blindness. Letermovir is an anti-viral drug. It works by stopping the growth of the virus.

How to Use This Medication

Read the Patient Information Leaflet if available from your pharmacist before you start taking letermovir and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth with or without food, as directed by your doctor, usually once daily. The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Children's dosage is also based on weight. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Swallow the tablet whole. Do not crush or chew because the drug has a bitter taste.

For the best effect, take this medication at evenly spaced times. To help you remember, take this medication at the same time every day.

Continue to take this medication until the full prescribed amount is finished. Stopping the medication too early may result in an infection.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.