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Forest Hills, NY
A female asked:

I have a sinus infection. i have doxycycline hyclate 100mg. for dosage every 12 hrs. can i take this?

1 doctor answer1 doctor weighed in
Dr. Louis Krenn
Family Medicine 20 years experience
May not be necessary: Sinus infections are overwhelmingly viral and usually only require supportive care with over the counter medications, nasal steroid spray, or saline nasal spray. Antibiotics are usually only necessary for prolonged symptoms (greater than 2 weeks), severe infections including those with high fever, or if you get better and then sick again.

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Last updated Mar 22, 2020

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