Dr. David Tan-wei Chang M.D., PH.D.

Recommended Articles

• What are the Signs and Symptoms of Laryngitis?

  Laryngitis is the inflammation of voice cords in the voice box, in other words, it is the inflammation of the larynx. A larynx is an organ that resembles a tube and is located in the trachea (windpipe). The Adam’s apple is the protrusion of the larynx in the throat.Laryngitis is the swelling of...

• What Causes Sinusitis?

  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...

• What is Sinusitis?

  The swelling or inflammation of the lining of the sinuses is what is called sinusitis or sinus infection. The sinuses are filled with air if they are healthy but in some cases, they can be blocked and filled with fluid and germs which end up causing infection.Blockage of the sinuses is due to any of...

• How is Sinusitis Diagnosed?

  Diagnosing sinusitis can be a tricky affair, considering that the symptoms closely resemble those related to colds and the flu. Very often, sinusitis develops from the infection triggered by cold and flu viruses, bacteria and fungi, and often lingers even after the disease-causing microbes have done...

• Is Tonsillitis Contagious?

  What is tonsillitis?Tonsils are two glands located at the back of the throat and can be seen through the mouth. These glands help prevent infections from developing in the body. Tonsillitis happens when the tonsils become inflamed or infected by viruses or bacteria. Tonsillitis is a common...

• What Is a Pleomorphic Adenoma: Is It Dangerous?

  Introduction The salivary glands produce saliva, which keeps the mouth moist, helps digest the food, and prevents the rapid decay of our teeth. The salivary glands are small in size and are located around the inner lining of the mouth, cheeks, and lips. Many diseases from cancerous tumors to...