To him, it's part of the business. If you are one of the millions of people worldwide suffering from allergies, you may take an antihistamine pill to ward off hives, sneezing and watery eyes.

Antihistamines are a widely used group of medications most commonly used to treat allergic conditions. Allergic conditions, ...

Getty Images Antihistamine pills like Zyrtec, Claritin or Allegra are more effective than topical creams, as they calm the body’s overall immune response.