Since the summer, a red patch has grown up, and another one has grown in the last two weeks. The plaque surface is dry and frosted, which is not painful or itchy.
Although this kind of erythema appears at the root of the thigh, and then it also has obvious grayish brown performance, it is actually a form of dry eczema. Therefore, in terms of treatment, it is to apply a relatively moist moisturizer to it, so it can alleviate the symptoms to a certain extent.
This situation is considered tinea corporis. It is caused by fungal infection. It will expand slowly, and there may be an increase in infection. Treatment can be applied with triamcinolone acetonide econazole cream, once in the morning and once in the evening. Try to eat less spicy food. Need a light diet. The affected skin should not be scratched and rubbed.
According to the symptoms you described and send a picture, there are red spots on your legs. This symptom may be contact dermatitis or fungal infection. You can go to the dermatology department of the hospital for dermatoscopy to clarify the cause and choose appropriate drugs for treatment according to the examination results. Pay attention to local hygiene at ordinary times, avoid scratching with hands and contact with irritants.