Dr. Gary R Barker M.D.

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

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...

If you were to pose this simple question to your doctor, you would get the response that science does not know for sure what triggers cancer in the testes. But if you were to dig a little deeper, you may be drawn into a discussion on chromosomes and genes, the basic building blocks of life, and how...

In the normal course, blood has no reason to appear in the urine, but if that happens, one should not hesitate to seek specialist medical opinion. Blood may appear in urine owing to simple infections in the urinary and genital systems, or it could be a result of some serious ailment that is...

Prostate cancer tends to affect only men. The incidence of prostate cancer is on the increase and tends to be more common in the western world. The causes of prostate cancer are poorly understood. However, risks factors include a positive family history, environmental and dietary factors. The...

What types of medications are prescribed for gonorrhea?Gonorrhea is a bacterial infection and sexually transmitted disease that is caused by Neisseria gonorrhoeae. People can get infected by having unprotected oral, vaginal, or anal sex. Sharing of contaminated sex toys can also transmit the...