Medically reviewed by Susan Bard, MD Hives are red, raised bumps that stem from allergies, infections, or stress.Flea and chigger bites look like small, red, pimple-like bumps and feel very ...

The U.S. Food and Drug Administration has warned that patients who stop long-term use of the popular oral allergy medications Zyrtec or Xyzal may experience "rare but severe itching," in a May 16 ...