
Suggest Treatment For Red Rashes Caused When Exposed To Direct Sunlight

Cholinergic urticaria
Detailed Answer:
hello. thank you for writing to us.
I am Dr. kakkar (dermatologist). I have gone through your query and I have noted your concern.
Perhaps you have cholinergic urticaria. It is a type physical urticaria. The trigger for cholinergic urticaria is increase in core body temperature that induces sweating which is followed by itchy wheals surrounded by a red flare.. Exercise, hot shower, eating spicy food, emotions (like embarrassment, anger etc) strong sun, fever etc are the usual triggers of cholinergic urticaria. Cholinergic urticaria is chronic however it may remit spontaneously. Many patients will have it only during winters and are fine during summers.
Treatment is once daily oral antihistamine e.g either cetrizine 10mg or loratadine 10mg (claritin) or fexofenadine 120mg and they are usually effective in controlling cholinergic urticaria apart from avoidance of possible triggers.
Regards

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