There are dozens of red pimples on the chest and back, a small amount on the arm and even less in other places. I eat a normal diet and don't eat seafood and other allergic foods. I've been itching for about a week and have no other symptoms
Hello, in view of the current situation, it is not ruled out that it is related to allergy. In view of the current situation, it is recommended that you should choose drugs for treatment in time. If these symptoms occur repeatedly in this situation, you can do a dermoscopy or allergen examination, and you can judge the treatment in the future. If you don't feel at ease, you can take further oral medication or apply dermatitis flat for external use.
This situation may be a rash caused by allergy or chickenpox caused by herpes virus. In view of the large area of your affected part, it is recommended to go to the hospital for a diagnostic examination, so as to fully diagnose the disease and do targeted treatment without delay.
According to the picture you uploaded, the red skin lesions on your body need to be tested in the dermatology department of the hospital, and whether you wear new clothes or chemical fiber clothes, there is an allergic reaction, and you should check the total bile acid, and you need to consider whether there is cholestasis