Will tetracycline (doxycycline) fight a sinus infection?

cant get a doctors appointment until at least tomorrow to get amoxicillin and i feel like i'm dying. i've got a perscription for doxy thtat i haven't gotten in about 8 months, but i still have an Rx on file for it. as an antibiotic, will it kill whatever is givin me the sinus infection or is it not specialized enough? i mean, jeez.. it kills anthrax :\
thanks!

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Answer:
Do go to an urgent care. Sinus infections can get more serious. I assume you have yellowish drainage? Sinus infections are usually gram positive bacteria. The amoxicillin is for that. Tetracycline is not meant for gram positive. A Rx that is 8 months old may ot be able to be filled. If you are seeing a doctor soon you do not want to start on an antibiotic unless you call and the doctor calls one in.

I have this red blotches and bumps around my lips...help?

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Then go to an urgent care. No, Tetracycline is not meant for sinus infections. Antibiotics better for that include Zythromycin, Cephalosporin, Bactrim DS, Keflex. Not Tetracycline.

I have discovered I have something weird under my tounge. They resemble little icicles and are hanging under.?

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NO!

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