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Doctor insights on: Does Doxycycline Help With Sinus Infection

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Dr. Katharine Cox
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


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Is doxycycline 100 mg good to take for a sinus infection?

Is doxycycline 100 mg good to take for a sinus infection?

In general no: Doxycycline is not generally a good antibiotic for rhino-sinusitis. If there is objective evidence of a bacterial infection (documented by culture) I would always recommend a culture and sensitivity of the lateral wall of the nose, particularly, is pus is present. Augmentin (amoxicillin and clavulanate) in patients not allergic to penicillin or Levaquin would be my recommendations. But a culture is required to make sure. ...Read more

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Doxycycline given for sinus infection. I dropped 3 tabs down the drain (oops.) Will taking 8 and a half days instead of the full 10 days still be OK?

Doxycycline given for sinus infection. I dropped 3 tabs down the drain (oops.) Will taking 8 and a half days instead of the full 10 days still be OK?

Check with doctor: Although traditionally a 10-day course for acute sinusitis is prescribed for most abx, it may be ok if you have had complete resolution of your sinus symptoms after 81/2 days of treatment. It is however best to check with your doctor who knows more about your health condition. ...Read more

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Can I take doxycycline for a sinus infection and continue breastfeeding my 18m old?

Can I take doxycycline for a sinus infection and continue breastfeeding my 18m old?

No: You shouldn't breast feed while taking doxycycline. It is considered "possibly unsafe" studies show it does have the potential to be excreted in your breast milk. ...Read more

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Rx Doxycycline for Sinus Infection. Stopped after Side effects (pulsatile tinnitus). It’s been 3 weeks, pulsatile tinnitus not gone. Permanent?

Probably not doxy: Doxycycline is not a likely cause. More likely a coincidence that it started while taking the drug, especially since it has continued this long. If one of your sinuses is plugged and filled with fluid, that could result in pulsatile tinnitus by increasing transmission of blood flow sound in an artery. Discuss with your doctor, including if other tests are indicated. ...Read more

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Can you take doxycycline while on Coumadin (warfarin)? INR three days ago was 2.6. I have sinus infection. On doxy 100mg x2 a day.

Can you take doxycycline while on Coumadin (warfarin)? INR three days ago was 2.6. I have sinus infection. On doxy 100mg x2 a day.

Yes, but: You can use them together but the combination will likely raise your INR. If you were my patient, I'd urge you should get an INR tomorrow and again on day 8 or 9. ...Read more

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Hi I'm on immune suppression medications, I have doxycycline hyclate, can I take it for a sinus infection? Any negative interaction w suppression med

Check with doctor: Each immunosuppressive drug has its own drug interaction profile and thus you will need to check with your doctor re. Such interaction. I am more concerned about doxycycline slowing down the breakdown of the immunosuppressive agent than vice versa. ...Read more

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Small streaks of blood in phlegm/spit returned after 10 days on doxycycline for sinus infection. Not coughing it up do I need more meds?

Small streaks of blood in phlegm/spit returned after 10 days on doxycycline for sinus infection. Not coughing it up do I need more meds?

Sinus disease: The sinuses are aerated chambers that often get closed off and infected. Antibiotics are helpful but the important thing is to open them up again so they will drain. This is often achieved by using gentle saline solution or inhaled nasal steroids. Make sure the air you are breathing is not too dry. Occasionally topical antibiotics will help with the healing. ...Read more

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I've taken 1 500mg of clarithromycin today for sinus infection that won't go away feel sick and dizzy should I continue had doxycycline before?

I've taken 1 500mg of clarithromycin today for sinus infection that won't go away feel sick and dizzy should I continue had doxycycline before?

Call your doctor: If clarithromycin makles you feel sick and dizzy, stop the medicine and call your physician, who can make changes in your drugs. ...Read more

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I have a sinus infection that has come back after two rounds of zithromax. My doctor now rx'd doxycycline. Is this a good plan?

I have a sinus infection that has come back after two rounds of zithromax. My doctor now rx'd doxycycline. Is this a good plan?

Good choice: We are seeing more and more resistance to antibiotics. It seems like a reasonable course to go with Doxycycline as that is a good antibiotic in resistant cases. Make sure you stay well hydrated and that will help. ...Read more

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Recent sinus infection caused blood in the nose and phlegm. Was prescribed doxycycline blood stopped but then reappeared. Do I need more meds?

Recent sinus infection caused blood in the nose and phlegm. Was prescribed doxycycline blood stopped but then reappeared. Do I need more meds?

Bloody nose: The blood is due to the erosion of small blood vessels in your nose because if the mucus. It may be dry in your house so using a humidifer or vaporizer can be helpful. Also purchase saline gel and moisturize your nostrils with the gel several times a day ...Read more

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Can I take doxycyline and cefdinir at same time? I have rosacea and a sinus infection

Don't see an issue..: Just make sure you don't expose yourself to the sun; doxycycline can cause photosensitivity and can burn your skin and cause another dermatologic issue. ...Read more

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My ENT confirmed MRSA w/ bad sinus infection. Taking doxy-cycline gusing muciprin mixed w/ saline spray 4x daily. How contagious am i?

My ENT confirmed MRSA w/ bad sinus infection. Taking doxy-cycline gusing muciprin mixed w/ saline spray 4x daily. How contagious am i?

Not very: As long as you are on antibiotics and wash your hands after irrigations, those around you should be safe. Stay away from newborns, extremely aged, and those with impaired immune systems (chronically ill or cancer patients) just to be safe. ...Read more

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Is doxycycline one of the better antibiotics for a sinus infection? If so, what is the optimal dose?

Is doxycycline one of the better antibiotics for a sinus infection? If so, what is the optimal dose?

Not particularly: Usual dose 100 mg q12 Hrs. Anti=against, bio=life; all antibiotics are poisons, selected single molecules that (hopefully) don't bother our cells much, yet suppress/kill growth of unwanted cells in locations which create trouble for us after primary immune system not doing its job well. Azithromycin, up to 2, 000 mg day 1, single dose, usually more effective, yet always depends on what's going on. ...Read more

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Today I was put on doxycycline for a sinus infection. I take probiotics daily, will this make the antibiotic less effective?

Today I was put on doxycycline for a sinus infection. I take probiotics daily, will this make the antibiotic less effective?

No: Probiotics will not make your antibiotic less effective, but they might protect your gut from having problems like diarrhea. Antibiotics can kill off your natural gut bacterial flora, allowing infectious bacteria to take over. Probiotics can re-establish normal bowel flora so that this is less likely to happen. ...Read more

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I'm on doxycycline for a sinus infection and just got a positive hpt. Lmp was 4/1. Should I finish antibiotics?

Stop the pills: Doxycyline should not be taken during pregnancy. Stop the antibiotic and notify the doctor so they can provide an alternative medication. Congratulations on the pregnancy. ...Read more

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I have taken Doxycycline and Cipro (ciprofloxacin) for a sinus infection. It's not working. What antibiotic should we try now? Also lingering Bladder infection.

I have taken Doxycycline and Cipro (ciprofloxacin) for a sinus infection. It's not working. What antibiotic should we try now? Also lingering Bladder infection.

See your doctor: A new antibiotic probably wouldn't help. Sinus symptoms are mostly from inflammation causing swelling of sinus passages, regardless of the speciifc bacteria or infection. And almost all bacteria in true sinus infection would be covered by cipro, (ciprofloxacin) doxy, or both. Same for most causes of UTI (bladder infection). Bladder problem maybe vaginal yeast due to all the antibiotics. Discuss with your doctor. ...Read more

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CT scan Neg. For clogged sinuses on Doxycycline for sinus infection still, however having horrible sinus pain and pressure what is it?????

CT scan Neg. For clogged sinuses on Doxycycline for sinus infection still, however having horrible sinus pain and pressure what is it?????

Sinusitis: Without seeing and examining you and obtaining further history cannot diagnose you, but you might try saline nasal rinses with a Neti-pot, decongestants and a visit to an ENT doctor if you have not yet done this. Usually one does not need antibiotics for sinusitis. This may be due to allergy or represent inflammation elsewhere besides the sinuses. See somebody soon. ...Read more

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Can doxycycline used for sinus infections?

Can doxycycline used for sinus infections?

Not great: Doxycycline would not be my first choice of antibiotics. I agree that if you feel like you have a "sinus infection" and it has been only 2-3 days. It may in fact be a viral respiratory infection (common cold). If those symptoms last for more than 7-10 days then by definition it is a sinus infection and I would get it treated wtih antibiotics at that point. ...Read more

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What are the chances of a 28 year old getting tooth discoloration from doxycycline? Taking it for 10 days for sinus and throat infection. 100mg bid

What are the chances of a 28 year old getting tooth discoloration from doxycycline? Taking it for 10 days for sinus and throat infection. 100mg bid

You're safe: Any of the tetracyclines, which includes doxycycline need to be taken when the teeth are developing in order to discolor the teeth. Don't worry, your teeth will not discolor. ...Read more

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Will sudafed help with sinus infection and chest connection?

Will sudafed help with sinus infection and chest connection?

If you have an: Actual sinus infection, a decongestant alone is usually not adequate. If you have sinus congestion and pain (without signs of bacterial infection) - then it might help to do the trick. If you have an infection your physician may need to prescribe antibiotic treatment. ...Read more

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Bad reactions to medrol (methylprednisolone). 6 pills first day then took 4 second and 2 third. Should I continue to taper down? Will it still help with sinus infection?

Bad reactions to medrol (methylprednisolone). 6 pills first day then took 4 second and 2 third. Should I continue to taper down? Will it still help with sinus infection?

Probably: Most people with chronic sinusitis do not require 6 tab of Medrol (methylprednisolone) per day. If the side effects are very bothersome, contact your doctor to see if you should discontinue or taper down on the medrol (methylprednisolone). ...Read more

Dr. Howard Schneider
9 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


Dr. Patricia Foster
8 Doctors shared insights

Sinusitis (Definition)

A condition caused by an inflammation or swelling of the tissue lining your sinuses. Acute sinusitis usually starts with coldlike symptoms such as a runny, stuffy ...Read more