Dr. Tina T Zhu M.D.

What is rapid shallow breathing?Rapid, shallow breathing, also medically called as tachypnea, is a term used to describe a breathing that is too fast, particularly when people have it due to a lung disease or other health conditions. Sometimes, rapid, shallow breathing and hyperventilation...

What is macerated skin?Maceration usually occurs when the skin comes in contact with moisture for a long period of time. Macerated skin appears white, wrinkly, and soggy. The skin also becomes soft, making it more susceptible to bacterial or fungal infections. In some cases, macerated skin can...

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

Diarrhea is a condition characterized by loose or watery stools that occur more than three times a day. Typically, the condition lasts for about two to three days and then resolves on its own. The symptoms of diarrhea include watery stools, bloating, stomach cramps, gas, and nausea.Diarrhea can lead...

European researchers have identified a few physical and psychological symptoms accompanied by low levels of testosterone, which will enable doctors to diagnose male menopause or late-onset hypogonadism. Male menopause refers to a reduction in testosterone levels, which is a result of aging. Contrary...

IntroductionMucus is a moist film, which helps keep your nose from drying out and protect your lungs from foreign substances, such as bacteria, viruses, dust, and other harmful intruders. It keeps you healthy but you may only notice it whenever you are sick. Mucus becomes thicker when you are sick,...