Dr. Michelle Ferdinand Liu M.D., M.P.H.

When you hear about an ear infection, it usually refers to a middle ear infection, wherein your middle ear gets inflamed. The middle ear is the part of the ear just behind the eardrum. Ear infections are most commonly caused by bacteria and viruses.An ear infection can either be acute or chronic....

Why are my tonsils swollen?The human body is a marvelous creation--a true work of art. It has the infrastructure to keep itself safe from harmful bacteria and viruses, and it has the ability to heal itself. One of these infrastructures is the tonsils. These are lymph nodes located at the back of the...

Causes of a Sore TongueThe tongue can become sore when you accidentally bite your tongue. However, serious medical conditions such as oral cancer can also be indicated by a sore throat. To determine an accurate diagnosis, you must seek medical condition.Usually, a sore tongue is not a cause of...

A virus is the reason that causes most cases of laryngitis, just like a virus causes most cases of a cold. Viruses are contagious and therefore you can acquire any of these conditions from other people who are infected. Some people develop sinusitis immediately after they catch a cold, while others...

When one or more paired sinuses or air cavities within the facial bones and forehead become infected and inflamed, excessive mucus blocks the airways, creating nasal congestion, pain, and the general discomfort associated with sinusitis.There Are Many Factors That Cause Sinusitis 1. The Role Played...

An ear infection, which is also called otitis media, is the infection of the middle portion of the ear. Ear infections may be caused by viral or bacterial infections. The infected portion of the ear typically becomes inflamed and causes fluid to buildup in the middle ear. The middle ear is what we...