Sweat herpes. Sweat herpes is mostly related to sweaty hands and feet; fungal infections of the hands. In addition some mental factors may also lead to herpes sweat flare-ups. The symptoms of herpes perspiration are blisters on the skin, occurring on both hands and feet, accompanied by itching and pain, and if there is an infection, it may cause systemic symptoms, such as malignant hyperthermia, and so on. Patients should eat a light diet rich in vitamins and should not wash their hands with hot water or strong alkaline soap to protect the affected skin. Patients need to ensure enough sleep, soothing exercise, seek family help, etc., to carry out reasonable stress reduction.