Itchy blisters on the feet should be considered to be caused by viruses, bacteria, mold or fungus and other pathogenic infections, allergies and other factors, should go to a regular hospital as soon as possible, a clear diagnosis. If allergies cause can use antihistamines, such as loratadine tablets, such as herpes virus caused by antiviral drugs, such as acyclovir and other treatment effect is better. The pain and itch can be obvious symptomatic, apply glyburide lotion to the affected area to relieve the symptoms, do not scratch and break with your hands to avoid combined bacterial infections or spread of inflammation, aggravate the condition and increase the difficulty of treatment, go to the hospital as soon as possible to get a clear diagnosis. At the same time to keep the feet clean and hygienic, wear loose shoes, socks to avoid friction, to keep the feet ventilated, breathable, drink more water, light diet, avoid spicy, stimulating food, quit smoking, alcohol.