Dr. Sharon B. Weissman M.D.

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...

HIV, which stands for human immunodeficiency virus, is an infection that attacks the human being's defense system. When the infection gets into the body, it slowly destroys the immune system, leaving the body weak to various infections. As the virus continues to stay in the body, it develops from...

With the consistent rise of confirmed COVID-19 cases in the United States, it is not impossible that you can also acquire the infection.As per the usual guidelines we see on the television or social media, you've been told to monitor signs and symptoms like colds, runny nose, dry cough, difficulty...

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 an infectious disease caused by a bacterium called as Borrelia burgdorferi. It is transmitted to humans via a common tick after feeding on human blood. In most affected individuals, the disease is acute, which is only lasting for a short period of time. But for the rest, the bacteria...

What is encephalitis?Encephalitis means inflammation of the brain. Fever, headache, and joint pain are often experienced in the early stages of encephalitis. Other severe symptoms may develop over some days or hours. They include personality changes, seizures, disorientation, confusion, or...