The common causes of long finger blisters (medically known as blisters) with clear dots include ringworm, herpes sweat, herpes simplex, and so on.
1. ringworm: this disease is caused by dermatophyte infection, can be spread through ringworm patients, asymptomatic carriers or animals with pathogenic fungi, direct or indirect contact, lesions can be manifested as scattered distribution in the palm of the hand and the lateral edge of the finger subcutaneous deep in the blisters, blisters, scales, pimples, itching and other symptoms.
2. herpes sweat: the etiology of this disease is unknown, may be associated with mental tension, excessive pressure, sweaty hands and feet, fungal infections or contact with nickel, chromium and other metals and other factors, lesions are often scattered or groups occurring in the palm or finger surface, symmetrical small blisters, there can be a burning sensation, itching and even pain and other symptoms.
3. Herpes simplex: this disease is mainly caused by herpes simplex virus infection, infectious, can occur in the fingers, manifested as a cluster distribution of blisters and other symptoms.
It is recommended that the patient combined with their own symptoms, to the regular hospital dermatology, clear cause, timely treatment. Usually pay attention to keep the skin hygiene and clean, avoid scratching, so as to avoid secondary infection.