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Is Doxycycline hyclate effective in sinus infection?

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Posted on Tue, 12 May 2015
Question: May I take doxycycline hyclate 100mg to treat a sinus infection despite the fact that it was originally prescribed to treat prostatitis?
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Answered by Dr. Michelle Gibson James (40 minutes later)
Brief Answer:
it may be effective

Detailed Answer:
HI, thanks for using healthcare magic

Sinusitis is most commonly associated with particular bacteria including h influenza, mox catarrhalis, strep pneumonia, other strep, stap aureus.

Doxycycline is in a family of drugs called tetracyclines.

It may be able to treat some of these bacteria if present.

This means that it may be able to help with your sinusitis if the infection is caused by one of the above bacteria that responds to doxycycline.

If it is going to respond then changes should be seen within 2 to 3 days of starting the medication.

In addition to the antibiotics, you may need to use anti histamines, decongestants and topical steroid nasal sprays (eg flonase, nasonex, nasocort)

Summary: (1) bacteria sinusitis can be caused by different possible bacteria
(2)some of these respond to doxycycline
(3) if the infection is caused by one of these bacteria, then it should work

I hope this helps, feel free to ask any other questions
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Michelle Gibson James

General & Family Physician

Practicing since :2001

Answered : 16810 Questions

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Is Doxycycline hyclate effective in sinus infection?

Brief Answer: it may be effective Detailed Answer: HI, thanks for using healthcare magic Sinusitis is most commonly associated with particular bacteria including h influenza, mox catarrhalis, strep pneumonia, other strep, stap aureus. Doxycycline is in a family of drugs called tetracyclines. It may be able to treat some of these bacteria if present. This means that it may be able to help with your sinusitis if the infection is caused by one of the above bacteria that responds to doxycycline. If it is going to respond then changes should be seen within 2 to 3 days of starting the medication. In addition to the antibiotics, you may need to use anti histamines, decongestants and topical steroid nasal sprays (eg flonase, nasonex, nasocort) Summary: (1) bacteria sinusitis can be caused by different possible bacteria (2)some of these respond to doxycycline (3) if the infection is caused by one of these bacteria, then it should work I hope this helps, feel free to ask any other questions