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FDA approves first generic version of Roche’s flu drug

By Thomson Reuters Jun 17, 2026 | 5:38 PM

June 17 (Reuters) – The U.S. Food and Drug Administration approved the first generic version of Roche’s ​Xofluza, a single-dose flu medicine ‌for certain patients aged five years and older, the regulator said on Wednesday.

The approval of Norwich Pharmaceuticals’ generic drug comes ‌ahead ​of the flu season.

It ⁠can be used ⁠to treat uncomplicated flu in patients who have had symptoms for no more than 48 hours, including ​those who are otherwise healthy or at high risk of flu-related ⁠complications, the FDA said.

The ⁠drug can also be ​used to help prevent flu after contact ​with an infected person, the agency ‌added.

Baloxavir marboxil, marketed as Xofluza by Roche, was first approved by the FDA in 2018 and is ⁠taken as a single oral dose. It is marketed in the U.S. by trhe ⁠company’s ‌Genentech unit.

The most common side ⁠effects of baloxavir marboxil ​include ‌diarrhea, bronchitis, nausea, sinusitis and ​headache. It ⁠carries warnings such as increased incidence of treatment-emergent resistance in patients less than five years of age.

(Reporting by Kunal Das in Bengaluru; Editing by ​Joyjeet Das)