Dr. Kelvin L Walls M.D.

What is post-nasal drip?The glands in the linings of the nose, airways, and throat continuously produce mucus every day. These glands are also present in the linings of the stomach and intestinal tract. Mucus is nothing but a thick, wet substance that moistens these areas. This mucus also helps...

What is a nasal congestion?Cold, flu, and sinus infections are often few of the culprits that lead to sinus and nasal congestion. Most people must have experienced sinus-related pain and pressure in some point of their lives, and often, people tend to recover without taking antibiotics or any other...

Having a sore throat is a common condition and anyone can be affected by it. One cause of a sore throat is tonsillitis (inflammation of the tonsils). However, apart from tonsils, there are also adenoids, which are found at the back of the pharynx. Adenoids can also be affected and can cause a series...

Chronic sinusitis is an illness that causes inflammation in the nose and sinuses, which lasts for more than three months. Aside from these two symptoms, people with chronic sinusitis may have pus and polyps in their nose. An otolaryngologist is a medical specialist that specializes in the...

What is epistaxis?Epistaxis or commonly called a nosebleed is defined as a type of bleeding that occurs from the nostrils, the nasal cavity, or the nasopharynx. Nosebleeds are mostly caused by the rupture of blood vessels inside the nose. Bleeding may be spontaneous or caused by injuries or trauma....

The lymph nodes behind the ears, in the neck and under the arms are some of the most notable lymph glands in the body. These glands store fluids and nutrients and help in filtering waste material out of the bloodstream as well as out from the body tissue. They also produce antibodies that help...