How does cold skin allergy return a responsibility?

There are many reasons for allergies, including food, drugs, external environmental factors, physical factors, diseases of internal medicine system and so on. Temperature can also cause allergies. Allergy caused by cold weather is cold urticaria, which is a special type of urticaria and a chronic process. You can go to the hospital dermatology department and get a diagnosis through the cold stimulation experiment of ice cubes. Treatment of general oral antihistamines, such as levocetirizine and ketotifen. In addition to colds, high temperatures can also cause allergies. 1. Generally, there are many allergic factors or allergic substances in autumn and winter. Your symptoms are not necessarily allergic to cold air, but also allergic to some foreign substances. It is best to stay away from allergens when you are close to home.

2. The little red pimple you mentioned is not very specific, such as: how big it is, how do you feel, whether you can fade it yourself, how long it will fade, and so on. If it's the size of a millet, it doesn't hurt or itch, and it can subside by itself, without special treatment or taking medicine. If you can't get through, you should go to the dermatology department of the local regular general hospital to see an expert. It is probably dermatitis, so it doesn't matter.

Don't use cosmetics when you have acne, so as not to get worse.