This may be best if you experience a chlorine rash but plan to continue your exposure, such as swimmers. If you have a severe allergic reaction, such as hives that won’t go away or difficulty ...

The first exposure sensitizes your body to the allergen, while the second exposure causes the rash. View the slideshow ... if you have symptoms of a severe allergic reaction or anaphylaxis.

Get medical attention right away if you have a rash accompanied by severe allergic reaction symptoms. Call 911 if you have a swollen face, tight throat, or shortness of breath. Stress may be ...

A couple has recalled the moment their six-year-old son saw rainbows, spoke gibberish and experienced seven seizures after ...

A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your ...

Severe cutaneous adverse reactions (SCAR): A non-immediate rash that can be life-threatening. Types of reactions. Immediate: Occurs within 1–6 hours of taking the medication. Non-immediate ...

Allergic reactions in babies and infants are relatively common and range from mild to severe. Some common types of allergies in babies include eczema, papular urticaria, hives, food allergies ...

New Boxed Warning added to highlight the risk of severe allergic reactions at any stage of treatment ... facial swelling, hives, and severe rash. Patients are advised to seek immediate medical ...