Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

On subsequent encounter with the drug, a hapten–carrier complex is formed again, which then crosslinks preformed drug-specific IgE on mast cells, activating a cascade for allergic reaction.

Medically reviewed by Susan Bard, MDAn itchy rash with blisters can be caused by an allergic reaction; an autoimmune disorder; a bacterial, fungal, or viral infection; and trauma to the skin. Figuring ...

Mild allergic reactions may include watery eyes, a runny nose, sneezing, and skin reactions (such as a rash or ... an allergic reaction is to avoid the allergen. If you have a drug allergy ...

A 28-year-old woman developed allergic contact dermatitis within 6 to 24 hours exclusively after using carmine-containing eyeshadows and lipsticks. She had both a positive patch test result and a ...

During the past decade, the market for branded products for allergic rhinitis has come under intense pressure, owing to a combination of over-the-counter (OTC) switches, patent expirations, poorer ...