Ask the experts - Byron Thomashow, MD
Byron Thomashow, MD, is clinical professor of medicine and medical director at the Jo-Ann Lebuhn center for chest disease and respiratory failure at the College of Physicians and Surgeons at Columbia University in New York read more »
Guest expert - Allen J. Dozor
Allen J. Dozor, MD, is professor of pediatrics and chief of pediatric pulmonology, allergy, and sleep medicine at New York Medical College in Valhalla, N.Y., and associate physician-in-chief at Maria Fareri Children’s Hospital at the Westchester Medical Center in Valhalla. read more »
Allergic contact dermatitis from a shampoo?
Q. My doctor says the rash on my scalp and neck is allergic contact dermatitis from a shampoo I’ve used for several weeks. Why didn’t the rash appear the first time I used the shampoo?
A. It takes more than one exposure to an allergen for an allergic reaction to occur in susceptible people. (An allergen is a substance responsible for an allergic reaction.) You may have used this shampoo quite a few times before you developed a sensitivity to it and broke out in a rash. read more »
Sinus infection followed colds … Is that typical?
Q. I was recently diagnosed with sinusitis. I thought sinus infections usually followed colds, but apparently this is related to my allergies. Is that typical? read more »
What are dust mites and where do they come from?
Q. A friend of mine talks a lot about her allergy to dust mites. What are dust mites and where do they come from?
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My doctor has suggested that I consider sinus surgery. What does that involve?
my doctor has suggested that I consider sinus surgery. What does that involve? read more »