Itching in the rain may be caused by contact with allergens, seasonally sensitive skin, hives and so on.
1. Contact with allergens: The weather is humid on rainy days, so if you contact, inhale or ingest allergy-inducing substances, it may lead to itching.
2. Seasonally sensitive skin: If the skin layer is thin or seasonally sensitive skin, it will easily lead to poor skin tolerance and itchy symptoms may occur on rainy days.
3. Urticaria: If the skin is wet by rain, if you do not wash and wipe in time, so that the skin for a long time in a humid environment, may induce urticaria, resulting in skin rash block, itchy condition.
Itchy rain on the body of the patient, should promptly go to the hospital dermatology consultation, clear cause after active treatment.