Dr. Mary Theresa Lasalvia M.D.

Petechiae are tiny dots that appear as red, brown, or purple in color beneath the skin. They are usually seen in clusters on the stomach, buttocks, arms, and legs. However, they may also appear inside the mouth or on the eyelids. Petechiae may indicate different conditions, which can range from...

Lyme disease is a bacterial infection caused by a spirochete known as Borrelia burgdorferi. It is a spiral-shaped bacterium that replicates within the body with the ability to evade the immune system, causing Lyme disease. Lyme disease is more commonly seen during the spring and summer seasons. The...

People cannot resist themselves from having fun and playing outdoors in the warm spring weather. However, the increased time of being out also increases the risk of encountering with nature’s peskier pests. One such problem is the tick, which is associated with Lyme disease. Tick bites can cause...

Have you ever heard the notion that the signs and symptoms of COVID-19 can be confusing? Let us take for example having a runny nose. We all know that allergic rhinitis (a reaction to a certain allergen – like pollen, or the perfume of your seatmate) can cause colorless fluid to flow excessively....

The Origin of AIDSAIDS is caused by HIV (Human Immunodeficiency Virus). Thus, it is not possible to get AIDS without having HIV first. HIV is a retrovirus that is thought to come from chimpanzees. HIV is said to originate from Africa, where humans hunted chimpanzees and came in contact with their...

What is chlamydia?Chlamydia is one of the most widespread sexually transmitted diseases (STDs) in the United States. It is caused by the bacteria Chlamydia trachomatis. Chlamydia infection is more or less like gonorrhea in terms of its symptoms and format of spreading from one person to the other....