Transparent blisters on the feet (blisters in medicine) do not hurt or itch may be caused by physiological factors, such as friction, etc.; may also be caused by pathologic factors, such as sweat herpes, tinea pedis and other diseases.
1. physiological factors: common as friction and other factors, such as wearing ill-fitting shoes and socks, long-term use of inappropriate hand tools, etc., long-term friction and extrusion of the local skin, resulting in the separation of the epidermis and subcutaneous tissues to form gaps, so that the local oozing and thus the formation of blisters, the local can be no pain and itching sensation, but also can have different degrees of pain.
2. Pathologic factors:
(1) herpes sweat: the etiology is not completely clear, may be related to genetics, infection, environment, etc., every year more than in the summer attack, common in the palms of the hands, soles of the feet, toes, lateral margins and other parts of the skin, the performance of the skin for the depth of the blisters, the size of a grain of rice, slightly higher than the surface of the skin, accompanied by sweaty hands and feet, desquamation, etc., can be no pain and itching, there may be a varying degree of itching.
(2) tinea pedis: commonly known as “foot fungus”, is due to fungal infection of the foot skin, commonly in the soles of the feet, between the toes, foot side edge and other parts of the onset of the early stage of the disease can be manifested as scattered or cluster of small blisters, blisters clarified, thick wall, not easy to break through, can be no pain, itching, but also different degrees of itching.
Transparent blisters on the feet without pain and itch may also be caused by other diseases, it is recommended that patients go to the regular hospital in a timely manner, in order to clarify the cause of the disease, targeted treatment.