There was a red pimple on my elbow, but it was itchy and the background color was pink.

Disease analysis: Hello, have you been exposed to allergens recently? Allergens include pollen, dust, exotic protein, chemicals and ultraviolet rays. Among them, seafood, protein, spicy food, wine, inhaled pollen, dust mites, cold weather, exposure to chemicals, soap and detergents are the most common causes of skin allergies.

Suggestion: the general treatment is to stay away from allergens and desensitize. If the effect of oral drugs is not obvious, it is suggested to push hormone desensitization drugs statically or statically.