Enflonsia

Clesrovimab · Merck Sharp & Dohme LLC
PRESCRIPTION ONLY (USA)

Enflonsia ingredients

Active ingredientStrength
Clesrovimab150 mg/mL

What Enflonsia is used for

Enflonsia is a specialist medicine (respiratory syncytial virus anti-f protein monoclonal antibody). Its approved uses are listed on the official FDA label below.

Key facts

Brand
Enflonsia
Generic name
Clesrovimab
Made by
Merck Sharp & Dohme LLC
Forms
Injection, Solution
Given
Intramuscular
Drug class
Respiratory Syncytial Virus Anti-F Protein Monoclonal Antibody
FDA approval
Biologic licence (BLA) BLA761432
On the US market since
2025

Official information

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Enflonsia?

Enflonsia (Clesrovimab) is a specialist medicine made by Merck Sharp & Dohme LLC, approved by the US FDA.

What are the ingredients of Enflonsia?

Enflonsia contains Clesrovimab (150 mg/mL).

From the FDA National Drug Code directory (open.fda.gov, public domain). Page made 5 November 2026 by Satya Babu.

← All specialty medicines, USA

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.