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Doctor insights on: Blister Rashes

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Blisters/rash on right side head of penis. Tested negative for herpes and syphilis. Doctor prescribed me antibiotics/fungal cream. Wut else could it b?

Blisters/rash on right side head of penis. Tested negative for herpes and syphilis. Doctor prescribed me antibiotics/fungal cream. Wut else could it b?

Reaction?: If any contact with bowl cleaner or other chemical, could be a local reaction (/"burn") from that, which may look infected on exam (hence abx/anti-fungal). The warm/moist environ slows healing. Should keep dry & aired as able (don't get arrested!) while using ointments as rx'ed. Give it a week. If not improving, get re-checked. ...Read more

Dr. John Chiu
2,622 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


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Does anyone know how long blister rashes usually last?

Does anyone know how long blister rashes usually last?

Less than 1 week: If you're talking about a common blister that develops at a site of trauma or rubbing, they usually resolve in 5-7 days. ...Read more

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Itchy soles with blisters like rashes?

Itchy soles with blisters like rashes?

Could be : contact dermatitis see if it correlates with certain shoes see a dermatologist for a better exam ...Read more

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Does all herpes blisters and rashes always form a scab after it leaks fluid?

Does all herpes blisters and rashes always form a scab after it leaks fluid?

Usually: Usually, unless they are in moist areas that don't allow a definite scab. Please make sure those lesions have healed well before you think you are not contagious! ...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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If i touch the blister or the rashes, then i touch other parts of my body, will it spread?

If i touch the blister or the rashes, then i touch other parts of my body, will it spread?

If the blister: Or rash is caused by bacteria or viruses, yes it can spread. Exact likelihood depends on many things such as number of organisms transmitted. ...Read more

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What can cause red blisters, rash all over?

What can cause red blisters, rash all over?

Red blisters Rash?: It is difficult to advice you based on your description, it could be contact dermatitis, chicken pox, allergic rash, or something else.You should see your doctor asap or go to the emergency room to find out what is the rash from. ...Read more

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Itchy blisters rash on hands. What could be causing it?

Itchy blisters rash on hands. What could be causing it?

Dyshydrotic eczema: Dyshydrotic eczema is most likely. It causes severe itching, with small blisters around palms and fingers and eventually developing dry peeling eruptions in palm and fingertips. Stress is the most common cause, but may also be other unknown reason. Allergic or irritant contact dermatitis of hands may show the same /similar picture. Thus, material that your hands in contact with is the cause. ...Read more

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What is the definition or description of: painful red blister rash?

What is the definition or description of: painful red blister rash?

It is what it is...: There can be multiple causes for a "painful red blister rash"--just as there are many variations for the color "red". Rashes are most difficult to diagnose without actually being seen by your doctor. So, rather than to guess about the diagnosis, you should schedule an appointment with your dermatologist /family doctor. If this is MRSA (methicillin resistent staph aureus), it could prove dangerous. ...Read more

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Just diagnosed with shingles, started on valtrex (valacyclovir) . Will I continue to get more of a rash or will it stop it from new forming blisters/rash?

Just diagnosed with shingles, started on valtrex (valacyclovir) . Will I continue to get more of a rash or will it stop it from new forming blisters/rash?

Shingles: Valtrex (valacyclovir) will shorten the course of shingles if started within the first 24-48 hours of the disease. You may get more of the rash initially but will get less than if you were not treated. Good luck ...Read more

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How long will fever blister rash take to go away?

Blister or Rash?: What do you mean by rash? If ur talking about cold sores on or around your lip it takes times. Cold sores are most often from herpes virus type 1. If ur able to start an anti-viral medication like Acyclovir or valcyclovir within the first 48 hrs (the sooner u take it the more effective) it can significantly decrease how bad gets. ...Read more

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Can you get a blister rash from zyrtec (cetirizine)?

Can you get a blister rash from zyrtec (cetirizine)?

Possibly: Any reaction can occur to any medication is the common mantra that allergists use. Those blistering rashes are not commonly caused by zyrtec (cetirizine), (cetirizine) it is possible. I would think that it is probably something other than zyrtec (cetirizine). ...Read more

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Can you get a blister rash 2 weeks after taking zyrtec (cetirizine)?

Unlikely: It's unlikey that a blistering rash occur that far after taking zyrtec (cetirizine). I would look at other causes including infections, contact reactions due to plants or chemicals, or other new medications. ...Read more

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I have blister/rash all around my body it starts out as a blister then days later its a scab then it peels off and it leaves a white spot?

I have blister/rash all around my body it starts out as a blister then days later its a scab then it peels off and it leaves a white spot?

Sounds uncomfortable: That sounds uncomfortable, and could be caused by many things/factors. Not enough history or details to make an educated guess. Rashes are tough things to evaluate from a distance...I would strongly suggest that you see your family doc for an evaluation and possible referral to a dermatologist... ...Read more

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I have rashes/blister on the majority side of my right hip. It possibly could have been from Epsom salt. Does not itch just burns.

I have rashes/blister on the majority side of my right hip. It possibly could have been from Epsom salt. Does not itch just burns.

Rashes must be seen.: My first reaction to a burning blistering rash on one side of the body is shingles, or Herpes zoster. But every rash needs to be seen in order to be diagnosed. ...Read more

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My friend has a blister rash on her arm and it spread to her chest. It's itchy and not painful. What can it be and what are some remedies?

My friend has a blister rash on her arm and it spread to her chest. It's itchy and not painful. What can it be and what are some remedies?

Contact dermatitis: Is what is sounds like but she should be seen by an md. Rashes are best evaluated by having a professional look at it. ...Read more

Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more


Dr. Philip Miller
1,710 doctors shared insights

Blistering (Definition)

A blister is a collection of fluid under the epidermis. A blistering rash is one in which ...Read more