Dr. David J Pengilly MD

Recommended Articles

• 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...

• What Is Mumps: Get the Facts

  Mumps is a highly contagious viral infection, which is common in young children. It’s often recognizable by extremely painful swellings occurring at the side of the face, giving the individual a distinctive hamster face appearance. Other mumps-related symptoms include high body temperature,...

• What Causes Back Pain?

  Back pain is a painful condition that can stop you from carrying on with your normal duties. It is impossible for a normal person to stay still at all times; every now and then we find ourselves either bending, stretching or twisting. Tests and DiagnosisDuring the first visit to your doctor, a...

• 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:...

• What Does Dark Stool Mean?

  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...

• Lactose Intolerance: Get the Facts

  Lactose intolerance is a digestive problem where the body cannot digest the lactose present in milk and dairy products. Lactose is naturally occurring sugar found in dairy products. It is the main carbohydrate found in all types of milk.In a very small number of cases the production of lactase may...