Dr. Vincent A Dubravec M.D.

Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

Lupus is a chronic inflammatory disorder that develops when your organs and tissues are attacked by your own immune system. Lupus causes inflammation in numerous organs, such as the heart, skin, blood cells, joints, lungs, brain, and kidneys.It can be quite hard to diagnose lupus since its signs and...

What is allergic bronchitis?Bronchitis is an inflammation of the inner lining of the bronchial tubes usually due to a viral infection of the upper respiratory tract. Bronchitis itself can be acute when the signs and symptoms last no longer than 10 days, and chronic when the signs and symptoms tend...

Generic Name: LoratadineBrand Name(s): Alavert, Tavist ND, Dimetapp ND, Claritin RediTabsWhat is loratadine?Loratadine is an antihistamine that blocks the action of histamine, which is a chemical released by mast cells in response to an allergen. When histamine is released, it causes symptoms of...

What is rheumatoid arthritis (RA)?Rheumatoid arthritis is an autoimmune disease, wherein the immune system mistakenly attacks the joints leading to stiffness, pain, and inflammation. Gradually, RA can lead to physical deformities. Rheumatoid arthritis is known to affect around 2 million Americans....

OverviewAIDS is caused by human immune deficiency virus (HIV). The virus damages the immune system by interrupting the ability of the body to fight infection. The affected person becomes more vulnerable to disease. Individuals that are affected with HIV can acquire AIDS, but not all individuals...