Dr. Johnny C Mao MD

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...

What is a tonsillectomy?A tonsillectomy is a type of surgical procedure that is purposely aimed at removing the tonsils, which are the two tiny glands found at the back part of a person’s throat. Although tonsils contain white blood cells to assist in fighting infections, they can also get...

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...

Labyrinthitis is an inflammation of the inner ear due to a virus or bacteria. This inflammation of the inner ear disrupts the transmission of the sensory information to the brain. When it happens, symptoms similar to those of vertigo may be experienced as well as difficulties in vision and hearing....

Sinusitis is a common infection, although most people who suffer from the condition use ineffective treatments. Before going to the pharmacy, you should first learn about the appropriate treatment for your condition.Sinuses are tiny openings found in the skull and are usually filled with air. They...

IntroductionThe presence of bumps and lumps in the mouth is not something uncommon. You may have experienced them in the past, particularly on your lips, back of the throat, or tongue. There are various things that can cause the formation of bumps on the roof of your mouth, but most of them are...