I feel itchy recently, especially after taking a bath, I grabbed a big bag. I don't know what happened. I haven't done it before
This is a typical urticaria, which is an allergic reaction caused by allergy. For the time being, you can take Loratadine Tablets orally and take one tablet a day. Apply calamine lotion or Binghuang fule ointment to relieve the itching. If it often occurs, you'd better check the allergen.
According to the situation shown in the picture, this kind of itchy small pimple will appear in many parts of the body, and it also occurs repeatedly. It is called the performance of allergic urticaria. Normally, with the application of some antipruritic ointment, oral anti allergic drugs can be used.
According to the picture of the symptoms you described, the bag on your body may be allergic maculopapular rash, which is a symptom caused by allergy. Pay attention to local hygiene, avoid contact with irritant substances, avoid scratching with your hands, apply dermatitis flat ointment locally, and take Loratadine Tablets, calcium gluconate tablets and vitamin C tablets orally. Recently, pay attention to diet and avoid spicy and irritating food. If the symptoms are not relieved after medication, go to the dermatology department of the hospital for a definite diagnosis.