Tinea pedis, also known as tinea pedis or athlete’s foot, is a shallow fungal infection that occurs in the skin between the palms, metatarsals, and toes of the feet and is spread in two main ways: first, by direct contact with a person with tinea pedis; and second, by using the footwear and everyday items of a person with tinea pedis. A. Factors that trigger tinea pedis: 1. Sweaty people The foot and plantar area is sweaty, and due to poor evaporation of sweat, the skin epidermis and white impregnation, especially between the toes is most obvious, severe sweaty people can blister, or hyperkeratosis, easy to secondary fungal infection and cause foot fetish. 2, pregnancy endocrine disorders, so that the skin’s ability to resist fungus is reduced. 3, obese people, the gap between the fingers (toes) narrowed, very wet, easy to induce inter-rub type foot fetish. 4, foot skin damage destroyed the skin’s defense barrier, the fungus is easy to invade. 5.Diabetic people Lack of insulin in the body makes the sugar metabolism disorder and the resistance decreases, and it is easy to induce inter-rub type foot fungus. 6.Long-term use of antibiotics, adrenal corticosteroids, immunosuppressants. Clinical manifestations There are 5 types of tinea pedis (tinea cruris and tinea pedis are the same): 1. Intertriginous type The skin between the toes is soft, peeling, partially cracked, and sometimes has a red vesicular surface. 2, blister type in the foot plantar, foot edge, there are often blisters in groups or scattered, local skin flushing, sometimes secondary to bacterial infection, blisters into pustules, to summer is common. 3, scaly type foot plantar, the damage is mainly scaly, accompanied by sparse and dry small blisters, local erythema, papules, creepy, can occur in all seasons, more common or aggravated in summer. 4.Keratosis type The heel, plantar and parapetal areas of the foot have dry, thick, hyperkeratotic skin, with a widened skin texture, and are prone to cracking, which can occur in all seasons, and is more common or aggravated in winter. 5. Tinea corporis type The back of the foot, the damage is typically arc-shaped or ring-shaped body fetish changes, often complicated by tinea corporis, more common or aggravated in summer. III. Medication Over-the-counter medication 1. Blister type Tinea pedis Can be applied externally with compound benzoic acid tincture, undecylenic acid ointment, or soaked with 10% glacial acetic acid solution or applied with 1% terbinafine cream, miconazole cream, and applied externally for 2 to 4 weeks. 2, inter-rub type should try to keep dry, pay attention to protect the trauma, avoid washing or use of soap, do not scratch, can first use 0.1% epsilon acridine (Livano) solution or 3% boric acid solution soak and then apply a powder containing 5% salicylic acid or 5% to 10% sulfur, no obvious erosion, can be applied to the foot powder, foot light powder, alum powder, or local application of compound salicylic acid tincture or compound hygroscopic tincture, for 15 days. When exudation is not obvious, 10% salicylic acid ointment can be used as a conventional bandage. 3. For scaly and keratotic tinea pedis, compound benzoic acid ointment, 3% clotrimazole ointment, 2% miconazole cream, 10% salicylic acid ointment or 1% terbinafine cream can be applied topically for 2 to 4 weeks, or bandage treatment can be applied. Prescription medicine 1.Oral antifungal medicine treatment Above ringworm of the hands and feet especially keratosis chalazion type ringworm. 2.Antibiotic treatment For those who have septic infection of foot fetish. 3.Itraconazole is mainly used clinically for systemic infections caused by deep fungi, such as fungal keratitis, oral candidiasis, skin fungal infections such as body fungus, femoral fungus, hand and foot fungus, and nail fungus. Nail fungus needs to be taken monthly for one week for 3 months, and the course of treatment is extended to 6 months in individual cases. 4. Terbinafine is used to treat severe tinea corporis, tinea cruris, tinea pedis and nail fungus for 2 weeks, 4 weeks and 2 to 3 months. 4. Preventive care 1. During the period of topical medication, try not to wash and scald the affected skin, use less or no soap and alkaline medication, and bathe less in order to keep the antifungal medication on the body surface for a longer period of time to consolidate and improve the therapeutic effect; 2. If the patient has hand and foot fetishes at the same time, they must be treated at the same time to avoid reinfection triggered by itching and scratching. If a patient has diabetes mellitus, it is advisable to control blood sugar while applying antifungal drugs; 3. Keep dry and pay attention to personal hygiene, avoid washing and scalding with hot water for vesicular tinea pedis, and wash and scald shoes and socks regularly; in the humid summer season, it is advisable to release moisture by untying shoelaces frequently on suitable occasions to keep the skin of the feet, body, femur, and thighs dry; 4. Avoid direct contact with sick animals, cats, and dogs to prevent fungal transmission. The above drugs are only the recommended treatment plan, please refer to the clinical advice for specific medication!