What to do if the instep becomes itchy and pimples appear after scratching

The itching symptoms on the instep are mainly related to skin inflammation. For example, athlete's foot caused by fungal infection often causes such symptoms. At this time, some antifungal drugs can be used for treatment. It may also be due to eczema. Eczema is a common skin allergy disease and can be treated with certain drugs. Pay attention to the cleanliness of your feet and pay attention to the shoes you wear.

1. General treatment (1) Try to find out the cause of the patient's illness or aggravation, and learn about the patient's medical history, work environment, living habits, thoughts and emotions in detail; perform allergen tests, such as skin prick test or intradermal test, specific IgE antibody and patch screening test, to find possible allergens. (2) Avoid adverse external stimuli as much as possible, such as washing with hot water, scratching violently, etc.; try not to wear synthetic underwear and fur products; avoid eating allergenic and irritating foods, such as seafood, chili peppers, alcohol, coffee, etc. (3) When suffering from eczema, patients should keep their skin clean to prevent skin infection, avoid overwork and maintain an optimistic attitude. 2. Internal therapy: Use antihistamines to relieve itching, and use two together or alternately if necessary. Generalized eczema can be treated with oral or injected corticosteroids, but they should not be used for a long time. 3. Topical therapy: Select appropriate dosage forms and drugs according to the condition of skin lesions. For acute eczema, local washing and wet compresses with normal saline, 3% boric acid or 1:2000-1:10000 potassium permanganate solution, and calamine lotion for astringency and protection. Subacute and chronic eczema should be treated with appropriate glucocorticoid creams, tar preparations or immunomodulators.

Daily care for eczema 1. Maintain a good mood, understand the cause and treatment method, build confidence in treatment, and eliminate worries; you should also participate in more recreational activities and listen to light music, which can divert attention and relieve bad emotions. 2. Eat a light diet. Add appropriate amounts of vegetables and fruits to your daily diet to keep your bowel movements smooth. Avoid allergic foods and drugs to avoid aggravating the condition. Tobacco, alcohol, strong tea, coffee, etc. are not conducive to recovery from illness.