Small blisters on the hands when the weather is hot may be due to contact dermatitis, hand, foot and mouth disease, sweat herpes and other reasons.
1. Contact dermatitis: contact dermatitis is caused by damage to the mucous membranes of the skin, skin irritation, and allergic reactions, leading to the symptom of small blisters on the hands when the weather is hot.
2. Hand, foot and mouth disease: children are susceptible to viral infections during the heat of the day and thus suffer from hand, foot and mouth disease, which manifests itself in the form of blisters and flaking on the mouth, hands and feet.
3. Sweat herpes: due to local allergies, ultraviolet radiation, metal irritants, etc., induced by sweat herpes, thus appearing on the palms of the hands, soles of the feet appear itchy deep blisters of symptoms.
You should go to the hospital in time for symptomatic treatment.