How to treat skin reactions to the sun?

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Thank you for your query. I reviewed your query, and it is solar urticaria. The presence of red itchy hives or rashes appearing after the sun exposure is urticaria. It may stay for minutes to hours and then subside. For some individuals, the rashes may appear after stress, working out, and after the temperature changes. It is a hypersensitivity reaction which means your body is more sensitive than usual to temperature changes following sun exposure, and may also cause reactions to insect bites. There is nothing to worry about as there are medications available. The medications can be taken for up to a month and then can be stopped. But since it may also appear with changes in temperature later in life, the same medication may be used. For some, it may eventually stop occurring in the future. But others may experience the same on and off again. It is not contagious and will always reduce in a few hours. So I suggest you to follow the instructions mentioned below. Take tablet Fexofenadine (antihistamine) 120 mg and tablet Montelukast (leukotriene receptor antagonist) 10 mg; one tablet can be taken at night one hour before going to sleep following dinner for one month. Apply Hydrocortisone (corticosteroids) 1 % cream on the red rashes for ten days. Kindly consult a specialist, talk to them and take medications with their consent. Do cold compresses, bathe after sun exposure, and apply aloe vera gel to soothe the affected area. Avoid sun exposure and protect yourself in case of sun exposure by using physical protectants like a cap, goggles, long-sleeve shirt, etc. I hope this has helped you. Thank you.