Dr. John D Foster MD

Recommended Articles

• Health Reasons That Can Make a Person Pass Out

  Causes of Fainting A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as...

• Pneumonia: Are There Multiple Types?

  What is pneumonia?Pneumonia is an acute lung infection that causes inflammation of the air sacs in either one or both lungs. The air sacs get filled with fluid or pus, making it difficult for the affected person to properly breathe. Individuals who have contracted the infection usually cough and...

• Who Gets Cholera?

  Cholera is an infection that is caused by a bacterium known as Vibrio cholerae, which attacks the small intestines. This disease is extremely contagious, especially in areas where there is poor sanitation or during disasters such as floods. It is capable of killing people who are infected within...

• 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...

• How to Identify Insect Bites and Stings

  The cause or severity of insect bites or stings can be determined by the symptoms. Most bug bite symptoms cause itchy or painful red bumps. Other insect bites can cause welts or blisters. The following are some clues of common insect bites:...

• Rubella Symptoms and Treatment

  What is rubella?Rubella is a contagious viral disease that is characterized by red rashes on the skin. The condition is also called German measles, although it is not caused by the virus that causes measles. Aside from a widespread skin rash, individuals who have rubella also have swollen lymph...