Dr. John Thomas Mcdonnell MD

The pathogens involved in pneumonia are bacteria, virus, fungus, rare parasites, and other microorganisms. Virus is the most common cause of pneumonia among babies and children. Adults with weak immune systems are vulnerable to bacterial pneumonia.Pneumonia Causing pathogens:The pathogens that cause...

One of the most common myths and misconceptions about eczema is that it is contagious. Probably, this myth has circulated due to the closeness of people who have the condition. For example, if your sibling or friend has eczema and uses a certain type of perfume or skin moisturizer, you may at one...

There are a number of triggers that can cause eczema flare-ups. Most patients will identify these on their own and possibly take steps to avoid them. However, whether diet can cause eczema flare-ups is still a bone of contention.For a long time, it had been held as an unprofessional myth or...

Chickenpox, also known as varicella, is a very common condition that occurs in most individuals either during their childhood or in adulthood. It is not a very serious condition, however depending upon the age and intensity with which it occurs, it could result in a lot of discomfort for the...

Peanut allergies are one of the most common allergies in children, and often result in serious allergic responses. Moreover, with peanut allergy, even a small amount of allergen may result in a serious response. It is easy to predict the presence of nuts in some foods, while in some others, like...

Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...