Men's Health reports that former American Idol contender Clay Aiken is allergic to coffee, chocolate, shellfish, tree nuts, mushrooms, and mints.

The article goes on to offer advice to allergy sufferers: Researchers have found that Benadryl is 20% more effective than Claritin in treating the itching and sneezing caused by allergic rhinitis. But Dr. Richard Lockey of the University of South Florida points out, ‘One drug will work better on some people than on other people. We're biologically diverse.’

The herbal supplement butterbur is ‘effective against all symptoms of allergic rhinitis, including sneezing, itching, and conjunctivitis,’ says researcher Dr. Andreas Schapowal.

If you don't respond to oral antihistamines, talk to your doctor about the prescription nasal spray Azelastine, which seems to be very effective. Xolair, now prescribed only for asthma, also seems to reduce seasonal allergy symptoms.