The difference between hand eczema and hand tinea

Eczema is caused by a variety of internal and external factors in the superficial dermis and epidermal inflammation. The cause is complex, generally believed to be related to allergies. Hand eczema is often related to local contact factors, such as soap, soap, hand sanitizer, laundry detergent, hair dye, spices and other chemicals, some people and wash hands frequently. Hand eczema rash pleomorphism, can be manifested as erythema, papules, colliculus herpes, blisters, lichenoid changes, desquamation, etc., acute stage can show exudation, the boundary is not clear, more symmetrical distribution. Tinea is caused by fungal infection, more performance for deep blisters, can show collar desquamation, some patients can show immersion, skin hypertrophy, etc., the boundary is clear, often occurs in one hand, the longer the course can involve both sides. Both can be distinguished by fungal microscopy, eczema without fungi.