If you are experiencing a medical emergency please dial 911 immediately
An allergic reaction occurs when the immune system reacts against substances like sunscreen or too much sunlight as if these substances were trying to attack the body. This reaction can cause problems that affect the skin, mucous membranes, lungs, digestive organs, and blood vessels.
Symptoms of an allergic reaction may include:
Sunscreens and medicines can cause skin reactions.
A very rare, but more severe, allergic reaction can cause breathing problems. Emergency care is needed for any reaction this severe.
Last Revised: September 1, 2011
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