Dr. Roy Wesley Dowdell MD

Pneumocystis carinii pneumonia (PCP) is a very serious disease, which is characterized by a fluid buildup and inflammation in the lungs. This lung infection is caused by the fungus Pneumocystis jiroveci. It is an opportunistic disease that usually infects immunosuppressed individuals, especially...

What are vaccine exemptions?There are state laws that establish compulsory vaccination for school children both studying in public and private schools as well as daycare facilities. However, certain exemptions may be offered for religious and personal or conscientious reasons in some states. What...

What is vitamin D?Vitamin D is a unique fat-soluble vitamin that plays a significant role in many aspects of health. Also referred to as the sunshine vitamin, it stands out from other types of vitamins since the body can produce vitamin D through sunlight exposure. With 20-25 minutes of daily sun...

Strep as a dangerously contagious infectionStrep throat is a very dangerous and contagious infection of the throat. Contagious means that it can be spread from one person to another. The infection attacks the mucous-like membranes at the back of the throat. As a result, the disease causes swelling...

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...

Although a cough is a very common condition, it is not considered a disease. It is usually the symptom of an underlying condition or is a reflex action to remove irritants and mucus from the respiratory tract. In most cases, a cough clears within a week or so. Although a cough may not be very...