Doctor insights on:
What Causes An Ear Infection
Collection of purulent fluid behind tympanic membrane- many times secondary to nasal congestion/ viral uri- that can cause bulging of tympanic membrane, pain, redness or distortion of typical anatomic landmarks of membrane, poor mobility of membrane ultimately, tm can perforate or rupture with subsequent drainage of fluid into the ear canal. May take months for fluid from ...Read more
Bacterial and viral : Ear infections are more common in children due to their anatomy and predisposition for upper respiratory infections. When the eustachian tube fails to maintain a neutral pressure relative to the outside world, the middle ear can accumulate fluid, siphon bacteria from the upper respiratory tract into the middle ear and an infection results. Eustachian tube swelling is often initiated with a virus. ...Read moreSee 1 more doctor answer
Normal pathogens: With a cd4 cell count of over 500, you causes of middle ear infections would be the same as the rest of the population. In adults, the most common cause is a viral infection. The most common bacteria is a strep species. In kids it is viral followed by H. influenza and then strep. Hope this is helpful. ...Read more
Ear infection: Ear infections can be caused by any number of bacteria. However, the three most common causes of inner ear infections (otitis media) are: Streptococcus Pneumoniae; hemophilus influenzae (non-typeable); and moraxella catarrhalis. Infections of the outer ear and ear canal (otitis externa) can be from other bacteria. See your doctor if you believe you have an ear infection. ...Read more
Many possibilities: You could have a resistant bacteria, smoking or second hand smoke, ge reflux, allergies, sinus infection, pressure changes (for instance frequent flying). These are just some of the more common causes, but the list is even longer of more unusual causes. If this is an ongoing problem, it's time to see and ENT doctor to sort out whats up. ...Read more
Bacteria: The 3 most common bacteria to cause middle ear infections (otitis media) are streptococcus pneumoniae, haemophilus influenzae and moraxella catarrhalis. Otitis media can also be a viral infection. Swimmer's ear or otitis externa is mostly from pseudomonas aeruginosa. Other swimmer's ear germs include staph aureus, enterobacter aerogenes, proteus mirabilis, klebsiella pneumoniae and fungi. ...Read more
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
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