Dr. Richard Russell Knight MD

Recommended Articles

• The Signs of Strep Throat

  What is strep throat?Strep throat is the most common form of bacterial infection of the throat and tonsils, resulting in inflammation and irritation. Strep throat is caused by different types of streptococcus bacteria. The severity of the condition differs from one type of bacteria to another. Not...

• 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...

• Mesenteric Adenitis: Symptoms, Causes, and Treatment

  Introduction Mesenteric adenitis is the inflammation of the lymph nodes present in the mesentery, which is the membrane that attaches the small intestine to the abdominal cavity wall. It usually causes abdominal pain, especially in children and teenagers. Lymph nodes contain lymphocytes, which are...

• What Could Happen if My Pneumonia Remains Untreated?

  There are several types of pneumonia that vary in their degree of seriousness. Pneumonia caused by a viral infection can make people feel very sick with fever, cough, and tiredness. However, viral pneumonia tends to go away on its own after some time. A "walking pneumonia" is a mild case of...

• What Could Itchy Palms Mean?

  Although an itchy palm is rarely caused by serious conditions, it can also indicate a chronic skin problem that requires frequent treatment.Your doctor can help diagnose your condition by identifying other symptoms you experience and what causes your itchy palm. Your doctor will recommend or...

• 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...