Pyrexone, also known as Trimethoprim Econazole Cream, can be used for vulvar fungal infections, dermatitis, eczema and other diseases. The main ingredients of Trimethoprim Econazole Cream are Econazole Nitrate and Trimethoprim, which is suitable for fungal infections caused by tinea cruris, ringworm, tinea cruris, tinea pedis, or eczema, dermatitis, bacterial infections with a tendency of fungal infection, etc. Fungal infections of the pubic area or dermatitis and eczema with a tendency of fungal infection can be treated by applying Trimethoprim Econazole Cream locally, but it should not be used for a long period of time. The adverse reactions of Piperisone include burning sensation and itching of the skin, and long-term use may lead to skin atrophy and capillary dilatation. Skin tuberculosis, syphilis, viral infections, allergic to drug components are prohibited, to avoid contact with the eyes, mucous membranes and other parts of the body, pregnant women, lactating women should be cautious, the vulva can not be used for more than 2 weeks of continuous use. If there is discomfort, it is recommended to consult a doctor as soon as possible, the drug needs to be used under the guidance of a physician, do not self-medication.