A 35-year-old female asked:
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can i take tamil flu if i'm allegeric to sulfate products including bactrim (sulfamethoxazole and trimethoprim) ?????

3 doctor answers
Dr. Stephen Southard
15 years experience Internal Medicine
Yes: Tamilfu, oseltamavir doesn't contain a sulfonamide moiety(chemical structure) which people with a sulfa allergy react to, let alone even a sulfur molecule in it. Also realize that a "sulfate" allergy is very uncommon, a "sulfa" allergy is very different.
Answered on Mar 27, 2018
Dr. Jeffrey Juchau
33 years experience Family Medicine
Yes: Tamiflu (oseltamivir) is not a sulfa drug. There is no problem with people who are allergic to sulfa drugs taking Tamiflu (oseltamivir). It has no drug interactions.
Answered on Feb 27, 2020
Dr. Anne Phelan-adams
A Verified Doctor answered
A US doctor answered Learn more
YES.: Tamiflu (oseltamivir phosphate, C16H28N2O8P), a pro-drug that converts in the body to oseltamivir carboxylate doesn't contain any sulfur or sulfate-containing substances .While you aren't much more likely than anyone else to have an allergic reaction, you are just as likely as anyone else to experience side effects. As with any Rx, appropriate use of Tamiflu is paramount.
Answered on Mar 27, 2018
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