Dr. Terri Thomas Nielsen MD

Pertussis is an infection of the upper respiratory system. The disease is highly contagious and spreads through the coughing and sneezing of an infected individual. This highly contagious and airborne disease is caused by the bacteria called Bordetella pertussis. The symptoms of pertussis typically...

Ringworm is a fungal type of infection, which is caused by the fungal organisms known as dermatophytes. It can affect various parts of the body, especially the skin on the hands, feet, face, and neck. It can also affect the scalp or nails. Initially, it appears as a small dot. Gradually, as the...

How Is Cholera Related to Diarrhea? Cholera is an infection that occurs in the small intestines. It is caused by a bacterium known as Vibrio cholerae. The disease is acquired through the intake of contaminated food or water. When an infected person defecates and then clean water comes into contact...

Symptoms of pregnancy vary from one woman to another and also from one pregnancy to another. One of the most common and important symptom of pregnancy is a delayed or missed period. However, some of the early symptoms of pregnancy are similar to those of menstruation, and hence are often ignored or...

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...

Breathe in and breathe out. Isn't it one of the simplest things to do in life? But when you see your loved ones, especially your children, wheezing, it can really make you anxious and stressed. One of the most traumatizing diseases that can leave one struggling for something as basic as oxygen is...