Limiting sun exposure helps prevent sun allergies. When outdoors, it is important to apply sunscreen—preferably one with a sun protection factor of 30 or higher. Sensitive individuals should also wear long pants and long-sleeved shirts to cover the skin. If possible, avoid going outdoors when the sun is at its peak—typically between 10 a.m. and 3 p.m. Special precautions may be necessary if an individual is taking a medication that causes photosensitivity.

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