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Doctor insights on: I Have A Rash With Blisters Growing On My Leg Without Any Cause

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I have a rash with blisters growing on my leg without any cause?

I have a rash with blisters growing on my leg without any cause?

Possibly infectious: If the area is painful and/or there was pain in the area before the blisters appeared it could be shingles. They usually are pretty localized and the blisters will crust over. If it is recognized early there are medicines to take but even without treatment will usually resolve on its own but may leave residual pain at site. Your primary is the best place to go to be evaluated. ...Read more

Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

Most bumps and blotches on a newborn baby are harmless and clear up by themselves. By far the most common skin problem in infants is diaper rash. Diaper rash is an irritation of the skin caused by dampness, urine, or feces. Most babies who wear diapers will have some type of diaper rash. However, there are other skin disorders that can cause rashes. These are usually not serious unless ...Read more


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I have a recurring rash that turns into a blister on the same spot on my lower leg, at least once every year. What could be the cause?

I have a recurring rash that turns into a blister on the same spot on my lower leg, at least once every year. What could be the cause?

Blistering: It's possible that this is a recurring herpes infection at that site. A physician or dermatologist could advise you better if they could inspect the lesion when it erupts. ...Read more

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What causes a blister rash on arms and legs after swimming?

What causes a blister rash on arms and legs after swimming?

Swimming rash: Basic skin sensitivity to treated water results in contact dermatitis, according to mayoclinic.Com. You develop reddened and irritated skin, sometimes with raised red bumps on your skin. Swimmer's itch is another skin condition that causes red and raised bumps or even blisters on your skin. Parasites in infected water cause swimmer's itch. The condition usually resolves itself after about one week. ...Read more

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I have a tiny blister rash on arms and legs after swimming. Chlorine caused this?

I have a tiny blister rash on arms and legs after swimming. Chlorine caused this?

Yes: Chlorine is very caustic and destroy skin. You can either use castor oil to area or muscle rub cream. Soak with epsom salt and baking soda in tub 3tbsp epsom salt and 1tbsp baking soda to help skin. ...Read more

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Have some very big knot like blister/red rashes behind both ears, on chest, back and a few on legs. They hurt to touch. What could this be?

Have some very big knot like blister/red rashes behind both ears, on chest, back and a few on legs. They hurt to touch. What could this be?

Need eval: with skin lesions it is always best to see and feel them and occasionally biopsy then. With what you are describing, recommend you see a doctor for evaluation. Sorry this was not more helpful. Best of luck. ...Read more

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Red rash, blisters, painful on arms and legs. Doesn't respond to steroids ?

Red rash, blisters, painful on arms and legs. Doesn't respond to steroids 
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Pemphigus vulgaris?: Hi, what is the diagnosis? Is it Pemphigus vulgarism? With the description you provided I only can think of Pemphigus vulgarism which is painful blister, do u have any in ur mouth? u gotta c a dermatologist, there r other medications like immunosuppresants and Biological therapy options besides Steroid. ...Read more

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Dr. John Chiu
2,561 doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


Dr. Philip Miller
1,673 doctors shared insights

Blistering (Definition)

Blistering is a bubble of skin filled with fluid. They can occur to excessive rubbing (as with a new pair of ...Read more