Dr. Ronald J Feldmann MD

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...

Croup is a very common respiratory infection in children, but it can also occur in adults. It can occur at any point and is quite infectious since the virus is often being dispersed through the air, which causes the infection to spread to others. Although rare, croup can also be caused by bacterial...

What is RSV?RSV or respiratory syncytial virus is a common virus that usually affects the respiratory tract. It can cause colds in adults and older children, but may cause serious lung infections, such as pneumonia or bronchiolitis in babies and immunocompromised individuals. CausesRSV is only...

What is biotin?Biotin is a water-soluble vitamin also known as vitamin B7. This vitamin is critical for an organism's growth and development. It also serves as a coenzyme of carboxylase enzymes and is involved in the metabolism of carbohydrates, fatty acids, and amino acids. Biotin is required to...

Ferrous sulfate is an essential mineral and a type of iron used for the treatment of iron deficiency anemia (IDA). When a person lacks iron, symptoms such as tiredness, shortness of breath, and decreased physical performance may be experienced.  Low levels of iron in the body can be treated by...

What is athlete’s foot?Athlete’s foot is a type of fungal infection that affects the feet or toes. This fungal infection is medically known as tinea pedis. The fungus that causes the infection usually feeds on keratin or the skin protein. Keratin is found in the skin's top layer, including...