Dr. Mark constantine Cristobal Manguerra M.D.

Although Lyme disease is not caused by a poor diet, a change in your diet will be necessary if you get infected. The disease is actually caused by a tick bite. Living with this disease will require you to eliminate some foods from your diet, and focus more on including other types of foods.The...

Acquired immunodeficiency syndrome, or AIDS, is a serious secondary immunodeficiency disorder. AIDS is caused by human immunodeficiency virus (HIV). There is progressive destruction of cell-mediated (T cell) immunity. Also, both conditions are characterized by subsequent effects on humoral immunity...

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...

Valtrex is the name of the drug that contains valacyclovir. It is prescribed for many infections caused by the herpes virus, which includes cold sores, genital herpes, and shingles. Herpes virus can appear on any part of the body, but most often, it shows in the genitals and mouth. There are two...

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....

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...