Dr. David Robert Katzen M.D.

The inflammation of the sinuses found in your forehead, cheekbones, and behind your nose is what is known as sinusitis. Sinusitis can be a short-term inflammation resulting from a bacterial infection after an infection like the common cold. However, sinusitis can also be chronic, resulting from...

Seasonal allergies are very common in the United States, especially during the fall. Just like spring and summer allergic reactions, fall allergies may also cause a number of symptoms that may make you wary of going out to have some fresh air.Some of the common causes of fall allergies include:...

Asthma is considered a common lung disorder in which inflammation causes the bronchi to swell and narrow the airways. Asthma is indiscriminant of any age group. It is a long term disease that has no cure but can be controlled by following the right dosage of medication, prescribed by a doctor or...

What are histamine blockers?Histamine blockers also called as antihistamines are medications that block or reduce histamine to stop the symptoms of allergy. Histamine is a chemical that is released by a type of white blood cell called mast cell in response to allergies or injuries. The cells that...

A new study has shown that a Chinese herbal remedies made from the roots of blue evergreen hydrangea may help in the treatment of autoimmune disorders. The herb, Chang Shan, weakens the abnormal immune response characteristic of autoimmune disorders, such as rheumatoid arthritis, multiple sclerosis,...

For a long time, it has been part of cultural knowledge that exposure to sunlight can help treat eczema. Now, it is medically agreed that eczema can be treated using UV light. But does this mean that you should go out and get yourself sunburnt?To answer this question, first, you have to consider the...