Doctor insights on:
Allergic To Sun
"hi I have a question on my hands I started getting a itch a tiny pimples when rash it it's itchy am I allergic to sun or type of soap? "
Yes (rare): Solar urticaria is hives triggered by the sun. This is very rare. More likely are photo-toxic or photo-allergic reactions due to medications that when the person is exposed to the sun trigger a rash. These are quite common and if confusing can be diagnosed by allergists or dermatologists. ...Read more
What kind of rash?: 3 kinds of skin rxns to sun - hives, sun "poisoning", photosensitivity (ps). Ps occurs when medications in skin are altered by light rays inducing skin injury. You & your primary care md can usually figure this out. Solar hives occur early in the season when sunlight strikes untanned skin & last minutes to a few hours. Sun poisoning , an itchy bumpy rash, occurs on untanned skin last days to weeks. ...Read moreSee 2 more doctor answers
Reactions from sun: There are different types of reactions that can develop. Some people can develop hives from heat. Other reactions include phototoxic or photoallergic reactions. This results in a rash hours or days after sun exposure, respectively. This can be caused by medications, or by chemical sunscreens. If sunscreen is suspected, then zinc or titanium dioxide containing sunscreen is recommended. ...Read more
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