Dr. Steven Louis Rosas M.D.

Shingles, also known as herpes zoster, is a disease that occurs due to the reappearance of the varicella-zoster virus, which is the causative agent of chickenpox. Shingles usually starts with a skin rash. These skin rashes occur either in the form of a band or a strip covering a small area on your...

IntroductionChronic sinusitis is the inflammation of the sinuses that tend to persist for 12 weeks or more, despite treatment attempts. Another term for chronic sinusitis is chronic rhinosinusitis, which causes mucus buildup due to an impaired drainage of the sinuses. People with chronic sinusitis...

Ringworm, or tinea, refers to a fungal infection of the skin. The term ‘worm’ is derived from the old belief that the disease was caused by a worm. The term ‘ring’ refers to the characteristic ring-shaped patches produced by the fungus on the skin. Infection is often found in the outer layer...

Whenever a bursa is inflamed and becomes swollen, it causes a lot of pain around the affected area. The condition is called bursitis. The inflammation and swelling of the bursa are the causes of pain. The bursa is a sac filled with fluid, which is always located between the muscles, tendons, bones,...

Mumps is a contagious illness caused by a virus. It can be passed through direct contact from one person to another. There are numerous problems that come along with mumps. They can be worrying, but they aren’t very serious and often improve as the illness passes. Common complications...

What are BCAAs?The term BCAA is short for branched-chain amino acid. The human body is made up of different proteins, which contain amino acids. There are 20 amino acids and nine of them are considered essential amino acids, which you can get through your diet because your body cannot make...