what causes big watery blisters to appear on the skin
Occasionally a prescription or nonprescription medicine or ointment can cause blisters. The blisters may be small or large and usually occur with reddened, itchy skin. If the blisters are not severe and you do not have other symptoms, stopping the use of the medicine or ointment may be all that is needed.
Skin blisters, Skin rash and Welts. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms skin blisters, skin rash and welts including Allergic reaction, Chickenpox (varicella), and Poison ivy, oak, and sumac.
There are many causes of blisters, including: 1  Irritation â Blisters can be caused by physical factors that irritate the skin, such as friction (rubbing the skin), irritating chemicals or extreme cold or heat. Blisters on the feet can result from shoes that are either too tight or rub the skin in one particular area.
Several other conditions can cause them to form. Burns are probably the second most frequent cause of water blisters. Second and third degree burns may quickly blister. Since burns of this type can cause damage to the skin, they usually require treatment with topical antibiotics to prevent infection.