This weekend provided a great big dose of Vitamin D courtesy of the sun in Western New York, but for some folks, all that UV exposure could cause an allergic reaction.

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I noticed a few mom friends of mine on Facebook posting about their kids' rashes after being out in the sun, and they wondered if it could be an allergy.

Turns out, it could.

Of course, with any rash of unknown origin, you should consult your doctor. But you may want to consider if exposure to the sun could be a trigger.

A true sun allergy is pretty rare -- however, there are some outside factors that could cause you to experience an allergic reaction to the sun. UV exposure after taking certain medications, or after coming in contact with wild parsnip or limes, can make your skin extra sensitive to the sun.

Sun allergies may be hereditary as well.

According to the Mayo Clinic, signs of a sun allergy include:

  • Redness
  • Itching or pain
  • Tiny bumps that may merge into raised patches
  • Scaling, crusting or bleeding
  • Blisters or hives

If you're experiencing a sun allergy, you would only see a reaction "on skin that has been exposed to the sun and typically develop within minutes to hours after sun exposure," according to the Mayo Clinic.

If you think you may be experiencing a sun allergy, there are steps you can take to prevent another reaction, including staying out of the sun during peak hours, wearing UV resistant clothing, using sunscreen, and avoid sudden exposure to sunlight -- this is especially important for people in Western New York where were aren't used to hours of sunlight, day after day. The Mayo Clinic suggests working your way up gradually with sunlight exposure.