Ingredients in some vitamin supplements may cause hives or a skin rash. Treatments include antihistamines and topical corticosteroids.

Natural remedies like allergen avoidance and nasal rinses can ease symptoms of seasonal allergies. Therapies like acupuncture may also be helpful.

Experts recommend introducing peanuts to infants to prevent allergies, with a new study showing a 43 percent lower ...

Researchers found that as pollen levels go up in a metropolitan area, the number of suicides in the area increases as well.