There are several causes or t riggers of sun sensitivity in patients. Patients with more severe cases may complain about stinging, soreness, or pain. Many patients experience minimal symptoms like itching. Symptoms of sun sensitivity can vary based on the severity of the reaction. The severity of the rash depends upon the extent of exposure to UV light. Some may have just redness and swelling, like a sunburn, while others can have red bumps, blisters, scaling, or peeling. The rash associated with sun sensitivity can appear in various forms. It appears more like a red scaly rash than like a sunburn. This type of reaction can occur a few days after exposure to UV light. Photoallergic reactions are immune regulated, meaning that the immune system believes that a foreign substance is present and must be eliminated. This type of reaction occurs as a severe response between certain compounds, like chemicals, and UV light. Phototoxic reactions are the most common type and can occur within minutes after the skin's exposure to UV light.

There are two different types of photosensitivity, or sun sensitivity, reactions. Not only does sun sensitivity cause rashes, but it also damages your skin at the DNA level, putting you at an increased risk for developing skin cancers. Sun sensitivity presents as a rash on areas exposed to the sun. It can happen to any skin type, but the rash is more easily visible in fair-skinned people. Sun sensitivity, also known as photosensitivity, is an exaggerated response that occurs when your skin is exposed to minimal amounts of UV light from the sun or other sources. The good news is there are a variety of treatments for sun sensitivity and ways to avoid it and protect your skin. There are several reasons why this can happen. These people have a sensitivity to the sun that makes them more susceptible to sun damage than others. Mild sun sensitivity rashes can be treated with over-the-counter products however, severe reactions require treatment by a doctor.

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