Dr. Robert C Tang M.D.

IntroductionA dry cough is a type of cough that does not accompany the production of mucus or phlegm. Most cases of dry cough are caused by certain allergic reactions from allergens, such as pollutants, dust, or toxins. The body usually tries to expel these irritants by coughing it out. In some...

What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

Is diarrhea a sign of early pregnancy?Diarrhea is a very common sign of early pregnancy. Every woman is different and so are her experiences of pregnancy. Not every woman experiences the same symptoms. Hence, diarrhea is also not a symptom that every pregnant woman experiences, although it’s quite...

What is athlete’s foot?Athlete’s foot is a type of fungal infection that affects the feet or toes. This fungal infection is medically known as tinea pedis. The fungus that causes the infection usually feeds on keratin or the skin protein. Keratin is found in the skin's top layer, including...

What is Candida?Candida is a form of yeast or fungus, which lives in the mouth or intestines. The main role of Candida, when in proper levels, is to aid in digestion and nutrient absorption. However, when there is an overproduction of Candida, it breaks down the wall of the intestines and...

Introduction Dysuria is the medical term used to describe painful or difficult urination. The discomfort is usually characterized by a burning sensation. Most individuals who complain of painful or burning urination have a urinary tract infection. There are many health conditions that can cause...