Sun Allergy Treatment

Written by isobel washington | 13/05/2017

Sun allergy, also recognised as heat rash, solar dermatitis or photosensitivity, may cause a rash on sun-exposed skin a few minutes to a few hours following sun exposure. Avoid the sun, and use some simple treatments to clear up the rash.


An allergic reaction to the sun may be mild (small, red blisters) to severe (larger, blotchy patches), depending on the length of sun exposure and the skin's sensitivity. The rash may itch, slightly burn and bring mild discomfort.


According to Harvard Medical School, the exact causes of a sun allergy are unknown, but skin reactions to the sun are most common in fair-skinned young women.

Skin-care Products and Medications

Consider any new skincare products or medications that might have caused a photosensitive reaction in your skin, and speak to your doctor about alternatives.


Apply hydrocortisone cream to relieve itching and provide moisture. Prescription creams are available for severe allergic reactions to the sun. Avoid scratching.

Epsom Salt Baths

Take an Epsom salt bath to reduce swelling and promote healing. Add two cups of Epsom salt to lukewarm bath water. Avoid your usual soaps and cleansers until the skin has healed.

Aloe Vera Gel

Apply 100 per cent aloe vera gel before bed to benefit from aloe vera's healing, anti-inflammatory and antibacterial properties. The rich nutrients of aloe will significantly expedite the healing process.

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