Dr. Leon peter Y Chua M.D.

Shingles, also known as herpes zoster, is a disease that occurs due to the reappearance of the varicella-zoster virus, which is the causative agent of chickenpox. Shingles usually starts with a skin rash. These skin rashes occur either in the form of a band or a strip covering a small area on your...

Pertussis is an infection of the upper respiratory system. The disease is highly contagious and spreads through the coughing and sneezing of an infected individual. This highly contagious and airborne disease is caused by the bacteria called Bordetella pertussis. The symptoms of pertussis typically...

Croup is a viral infection that causes swelling of the airway. As a result, the airway becomes narrower, making it difficult to breathe. It is also accompanied by an irritation in the larynx (voice box) and trachea (windpipe). This condition is also known as laryngotracheobronchitis because the...

Arthritis is a painful, progressive disease that affects the joints of an individual. There are many treatments available for arthritis. Each and every one of them works differently, depending on the stage of arthritis at which they are implemented. As we already know, if not treated, arthritis can...

Atarax Atarax is a prescription medication that belongs to the class of antihistamines. This drug blocks histamine, which is a chemical produced during an allergic reaction. The activity taking place in the central nervous system is also reduced when this drug is taken. Atarax is also used as a...

Sinusitis occurs because of the infection of the sinuses or cavities of the nasal passage, causing an inflammation and swelling of the tissue lining them. The usual cause is a virus, and the infection persists even when the upper respiratory symptoms have disappeared. Bacteria or fungi can also...