As pollen peaks for the season, the U.S. Food and Drug Administration is warning that some popular allergy medications could cause a rare but severe itching side effect. The FDA said in a safety ...

The exact reasons opioids cause itching are unclear, but several theories exist. Possible causes of opioid itching include the action of opioids on mast cells and opioid receptors in the skin. Opioids ...

Itchy skin, or pruritus, can have many causes, and most are harmless. However, itchy skin can also be a symptom of certain types of cancer, such as skin and liver cancer. People who experience ...