Symptoms in recent one or two years: local pruritus of the body, arms, thighs, back, neck, ankle, time and location are random. Sometimes after taking a bath, sometimes just after changing clothes, I don't know when it will itch for a while, the scratched part will be red, and there will be heavy scratch marks, which will disappear by themselves in a while without other symptoms. (attached figure: the part just scratched on the inner side of the arm)
Condition Analysis:
It is suspected that this situation may be artificial urticaria. After scratching, the skin has a red wind mass, which can subside and occur repeatedly. It is recommended to go to the dermatology department of the hospital for definite diagnosis. Anti allergic and antipruritic drugs such as cetirizine are generally used in the treatment of artificial urticaria.
Condition Analysis:
If there is local itching and redness and swelling in the body, it is still caused by allergic factors. It is called urticaria, so this situation has a lot to do with changing clothes and diet. Therefore, in terms of treatment, it should be treated with calamine lotion.
Condition Analysis:
If there is a sudden redness and itching and it can disappear by itself, it may be allergic reaction, that is, urticaria. In this case, it has something to do with your physique. Usually pay attention to eating more vegetables and fruits to enhance your physique. If it often occurs, you'd better check the allergen and don't use too hot water for bathing.
Condition Analysis:
According to your description and picture observation, local tissue blood vessels will expand, congest and edema after scratching, which will cause redness and erythema. As for the frequent itching, it is recommended to check blood sugar, blood lipids, liver function and renal function, and to exclude what underlying diseases, such as diabetes and arteriosclerosis. Hyperlipidemia, etc. Or check whether it is related to diet and living environment.
