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Akron, OH
A female asked:

i've been prescribed doxycycline for my sinus infection it's day two and i don't feel any better. how long does it take to work?

1 doctor answer1 doctor weighed in
Dr. Hunter Handsfield
Infectious Disease 53 years experience
Several days: It takes at least several days. Hang in there. Speak with the doctor who prescribed it if no better after 5-7 days.

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Last updated Sep 23, 2018

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