Photosensitivity

Photosensitivity is a condition in which the skin reacts abnormally to sunlight. The reaction can be a result of a number of factors, including certain medications, skin conditions, and genetic disorders. Photosensitivity can manifest in a variety of ways, from a mild rash to severe burns.

Causes

Photosensitivity can be caused by a number of factors. Some people are naturally more sensitive to sunlight due to their skin type or genetic makeup. Certain medications, such as antibiotics, diuretics, and antihistamines, can also increase sensitivity to sunlight. Skin conditions, such as dermatitis or lupus, can also cause photosensitivity. In rare cases, photosensitivity can be a symptom of a more serious genetic disorder, such as porphyria.

Symptoms

The symptoms of photosensitivity can vary widely, depending on the cause and severity of the condition. Common symptoms include redness, itching, and swelling of the skin. In more severe cases, blisters or burns may occur. The symptoms usually appear within a few hours of exposure to sunlight, but can sometimes take longer to manifest.

Treatment

Treatment for photosensitivity depends on the underlying cause. If the condition is caused by a medication, the medication may need to be discontinued or replaced with a different one. For skin conditions, treatment may involve the use of topical creams or ointments to soothe the skin and reduce inflammation. In cases where photosensitivity is caused by a genetic disorder, treatment may involve managing the underlying condition.

Prevention

Prevention of photosensitivity involves avoiding exposure to sunlight as much as possible. This can be achieved by wearing protective clothing, using sunscreen, and staying indoors during peak sunlight hours. Regular check-ups with a dermatologist can also help to monitor the condition and prevent severe reactions.

See also

• Photodermatitis
• Sunburn
• Solar urticaria

Photosensitivity Resources
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