According to your description, it should be urticaria.
There are many factors that cause urticaria. Allergies are the leading cause. Drug allergies, food allergies, insect bites, sunburns, emotional instability, severe immune system diseases and viral infections can all cause sensitization. The stimulation from these factors acts on the body, causing mast cells and sensitized small lymphocytes to release chemical mediators with inflammatory activity. After these media enter the dermis, they cause the permeability of dermal blood vessels to increase and the capillaries to dilate, leading to local edema in the skin and the formation of urticaria.
The skin symptoms of urticaria start quickly. Bright red or porcelain white wheals of different sizes usually appear suddenly on the skin. They tend to reappear after they subside. They can recur many times a day. No trace is left after it subsides, and the itching is severe when the rash occurs.
Recommendations:
1. The skin should be kept clean and dry. Do not bathe in water that is too hot. The water temperature should be slightly higher than body temperature. Do not abuse strong irritants and micronutrients for external use. drug.
2. The indoor environment should be kept clean and dry. Dust and mites should be removed regularly. Do not have excessive contact with pets, flowers and plants. Especially in spring, you should try to avoid going out.
3 Avoid scratching the rash with your hands and choose pure cotton clothing to prevent further irritation of the rash.
4 Seek medical attention immediately when the following symptoms occur: lumps on the face, mouth, tongue or neck; difficulty breathing or increased respiratory rate; abdominal pain; feeling very weak.
Diet will affect the treatment of urticaria to a great extent
It is advisable to: Eat a light diet and drink more water; eat more fresh fruits and vegetables rich in vitamins; Eat more foods that can reduce swelling and detoxify
Don’t eat cold, greasy, spoiled, or food containing additives to avoid aggravating the rash; avoid eating spicy and irritating foods, such as peppers, ginger, garlic, etc. Eat foods that contain urticaria allergens, such as fish, shrimp, crab and other aquatic products, vegetables such as celery, coriander, wild greens, lettuce, chicken feathers, and fruits such as strawberries and bananas; avoid foods commonly found in allergic recipes, such as eggs , soybeans, peanuts, milk, etc.