Dr. Wai S Chan M.D.

Recommended Articles

• What Is Pyrexia: Causes, Symptoms, and Treatment

  Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...

• What Is Cyanosis and Why Does It Occur?

  IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

• Green Poop in Babies: When Should You Worry About It?

  Baby poop is always a matter of concern for new mothers. The cause of worry can be on various factors such as the frequency of the baby's poop, its color and consistency, and concerns about your child's solid food intake.Normal Color and Consistency of Baby PoopA baby’s first poop is always black...

• Causes and Treatments for a Barking Cough

  What is a barking cough?The medical term for a barking cough is croup, which is a viral condition that causes swelling of the upper airways of children, especially those who are younger than 5 years old. It is also described as the inflammation of the larynx and the trachea in children.There are a...

• What Is Seborrheic Dermatitis?

  What is seborrheic dermatitis?Seborrheic dermatitis, or seborrhea, is a common skin disease that has no known direct cause. It is characterized by a red, itchy rash on the skin, often on the scalp, with scaly patches that flake off. It looks similar to eczema, psoriasis or an allergic reaction....

• What Is Low or Weak Immunity in a Child?

  What does the term “low immunity” mean?When you notice that your child catches a cold or the flu more often than other family members, or when it takes a long time for any wounds to heal, you begin to think that there is something wrong with your child's resistance.Low immunity is a term that...