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Doctor insights on: Amoxicillin 875 Mg Sinus Infection

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Dr. William Forsythe
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Dr. Ronald Krauser
3 doctors shared insights

Sinus (Definition)

In anatomy, a sinus is a cavity within a bone or other tissue. Most commonly found in the bones of the face and connecting with the nasal cavities. Sinus (anatomy), description of the general term paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: the maxillary sinuses, also called the maxillary antra and the largest of the ...Read more


Dr. William Forsythe
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Hello, should I be worried about swollen axillary lymph nodes? I have a sinus infection and am on 875 mg of amoxicillin and Mucinex dm. Just recently my arm pits have been hurting and i'm almost positive its my lymph nodes. Is there anything to be worried

Hello, should I be worried about swollen axillary lymph nodes? I have a sinus infection and am on 875 mg of amoxicillin and Mucinex dm. Just recently my arm pits have been hurting and i'm almost positive its my lymph nodes. Is there anything to be worried

Axilla isn't sinus: Axillary nodes would be really unexpected in a sinus infection. I would get these nodes checked out sooner than later, especially if they are cropping up in a scenario when you are already taking antibiotics. ...Read more

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Went to dr for possible sinus infection. Been dizzy/lightheaded, sinus pressure, headache, ear ache. Gave me amoxicillin 875 mg 3xday. Been less than 48 hrs and runny nose now. Dizzy/sinus pressure more today. How long til it works?

Went to dr for possible sinus infection. Been dizzy/lightheaded, sinus pressure, headache, ear ache. Gave me amoxicillin 875 mg 3xday. Been less than 48 hrs and runny nose now. Dizzy/sinus pressure more today. How long til it works?

VIRAL INFECTION: Basic assumption is that your doctor gave you treatment for a bacterial infection. Inasmuch as 90 to 95% of upper respiratory infections are viral, there is no answer to your question. If you have a bacterial infection, it may take 3 to 5 days for you to feel well. With no culture of the nose and no pus in the nose, i believe you have a viral infection and think the antibiotic will not work. ...Read more

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Dr. William Forsythe
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I have got a sinus infection for over a month. I've taken1000 mg of amoxicillin for 28 days and it has still not gone. What should I do?

I have got a sinus infection for over a month. I've taken1000 mg of amoxicillin for 28 days and it has still not gone. What should I do?

Amox not great: Amoxicillin is not a great drug for sinusitis. Amoxicillin + clavulante (augmentin) is preferred. A short course of steroids (prednisone) may be helpful as well. But if you have had symptoms this long, i would see your local ent. There are some newer technologies to open your sinuses up in the clinic... Using balloon technology like angioplasty: acclarent.Com. ...Read more

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How long does it take a sinus infection to clear up? I am taking amoxicillin 500 mg for it.

How long does it take a sinus infection to clear up? I am taking amoxicillin 500 mg for it.

Sinus infection: Simple cases could clear in a week but bad cases can take two months of antibiotics to clear. If not better in a week or so a CT of the sinuses can be helpful both to confirm the diagnosis and to help determine the severity and potential need for surgical intervention. ...Read more

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Hello...I am taking amoxicillin for a sinus infection., for about three days. 500 mg. I am stlll having terriable drainage snd sometimes pain?

Hello...I am taking amoxicillin for a sinus infection., for about three days. 500 mg. I am stlll having terriable drainage snd sometimes pain?

Takes more time: You will need to stay on your antibiotic for 14 days, take 500 mg every 6 hrs forv14 days .Sinus infections can be very persistent so follow this regime properly. I prefer augmentin, 875 mg, 1 every 12 hrs for 14 days! ...Read more

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Dr. Stephen Scholand
6 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


Amoxicillin (Definition)

Amoxicillin is in the penicillin class of antibiotics. All penicillins are distinguished by the presence of a beta-lactam ring, and are known to kill bacteria by inhibiting synthesis (production) ...Read more


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Dr. William Forsythe
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