Dr. Nicolas A. Melgarejo M.D.

Acquired Immunodeficiency syndrome, or AIDS, is a disease that develops in the advanced stages of infection by human immunodeficiency virus (HIV). Infection by HIV weakens the immune system of the person by destroying the CD4 cells, the primary infection fighters of the body. A person is said to...

What should I do if my child has the chickenpox?...

Cold sores are inflamed fluid-filled blisters, which appear in clusters on and around the mouth or lips. They can be seen when a person has a weakened immune system during fever, cold, or any other disease. Usually, cold sores are not harmful and should heal on their own within two to four weeks...

According to the CDC, imported foods from different countries are causing more outbreaks of foodborne diseases. “Among the different foods imported from other countries, fish and spices, particularly pepper, are the culprits," says Hannah Gould, PhD, said in a report presented at the International...

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....

As a child, you may not have contracted chicken pox, and you are wondering if you can get shingles. The answer is a simple yes. However, you don’t need to panic or get sweaty over this revelation. It does not mean that you must get shingles in the future, but there is a possibility you could...