Dr. John Frederick Sundermeyer M.D.

High blood sugar, also known as hyperglycemia, happens when blood glucose is abnormally high due to your body’s improper use of insulin or when your body cannot produce insulin. It mainly affects people with diabetes. Food intake, sedentary lifestyle, illnesses, and not taking the prescribed...

IntroductionNausea is an unpleasant feeling that is usually experienced before vomiting. Constant or persistent nausea is characterized by feeling nauseous for more than 24 hours. Although nausea and vomiting often come together, vomiting may occur without feeling nauseous and nausea can occur...

What is a nasal congestion?Cold, flu, and sinus infections are often few of the culprits that lead to sinus and nasal congestion. Most people must have experienced sinus-related pain and pressure in some point of their lives, and often, people tend to recover without taking antibiotics or any other...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

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 a urinary tract infection (UTI)?A urinary tract infection (UTI) is an infection in the urinary system, which includes the kidneys, bladder, urethra, and ureters. Usually, UTIs happen in the lower urinary tract, which consists of the bladder and urethra.Women are more prone to developing...