Dr. Jean A. Rizkallah MD

Recommended Articles

• What Causes Middle Back Pain?

  Middle back pain, also known as upper back pain or thoracic back pain occurs anywhere between the bottom of the neck to the top of the lumbar spine, where the rib cage ends. The ribs are connected to the sternum (a narrow thickened plate in the center of the chest) and then wrap round the...

• 5 Tips for Dealing With Ingrown Hair

  Ingrown hair is a condition where hair has grown back into the skin instead of out through the surface. An ingrown hair, since it irritates the skin, usually appears as a small, red bump, much like a pimple. Sometimes, it can have pus inside the follicle and look like a boil and cause you some pain...

• Urine Culture and Sensitivity Test: What Is It?

  Urine Culture and Sensitivity TestA urine culture is a laboratory test that can identify specific types of germs that cause urinary tract infections. A urinary tract infection occurs when bacteria enter the urinary system through the urethra. Bacteria can rapidly grow and multiply, and cause an...

• Viral vs. Bacterial Infections: Know the Difference

  IntroductionBoth bacterial and viral infections are caused by microbes, such as bacteria and viruses. These microbes are spread through the following:...

• Black Stool: What Does It Mean?

  What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

• Vitamin D Deficiency Signs and Symptoms

  What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...