Your condition is a typical symptom caused by seasonal allergy, which usually causes local itching, rash and even blisters.
There are many reasons: season, skin care products, environment, food, impurities and so on.
Guiding opinions:
Oral anti-allergic drugs such as loratadine.
Topical cream such as Elozon. In addition, wear close-fitting clothes, sleep sheets and other sun drying and disinfection.
In addition, you can go to the big pharmacy to check whether vitamins are lacking for free!
Life advice:
1. Choose foods that clear away heat and promote diuresis. Eat more foods rich in vitamins and minerals. Such as carrots, fresh fruit juice and tomato juice. So as to regulate physiological function and reduce skin allergic reaction.
2. Drink plenty of warm water to promote smooth defecation. Relax yourself and don't have pressure in your work and life.
3. Avoid scratching the affected area hard and don't burn with hot water.
4. Avoid seafood, spicy food, keep a light diet and eat more fresh vegetables and fruits.
Here's to health!