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Doctor insights on: Contact Dermatitis (Rash)

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Painful Red Blister Rash (Definition)

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), ...Read more


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Is Domeboro Powder or Aveno powder better for itchy contact dermatitis rash?

Is Domeboro Powder or Aveno powder better for itchy contact dermatitis rash?

Eh...: I'm thinking even OTC hydrocortisone cream/ointment would be better for allergic contact dermatitis. If just irritation, perhaps the powders would offer some relief. Just saying from the responses I've gotten from patients. ...Read more

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Contact dermatitis rash stopped itching and is same (red/dark brown)for 19 days. not itchy just same,ugly dark brown/red.why is it same,why not fading?

Contact dermatitis rash stopped itching and is same (red/dark brown)for 19 days. not itchy just same,ugly dark brown/red.why is it same,why not fading?

PIH: It could be post inflammatory hyper pigmentation. It. At fade a bit with time. Or you can try skin lighteners to speed to fading. ...Read more

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Contact dermatitis-rash same for several days. When will it start healing? rash is there for 5 days,still same red itchy swollen. When will it go away

Contact dermatitis-rash same for several days. When will it start healing? rash is there for 5 days,still same red itchy swollen. When will it go away

1-2 Weeks: Inflammation from a rash can take time to resolve. I would first suggest you remove anything that could be a possible cause of the rash. Once the cause is removed it can take anywhere between a week or two weeks for the inflammatory products to dissipate from your system. Once the inflammatory products are gone then the redness and itchiness should resolve. ...Read more

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Does Benadryl (diphenhydramine) help contact dermatitis rash go away or does be Benadryl (diphenhydramine) only help with itching not the swelling?

Does Benadryl (diphenhydramine) help contact dermatitis rash go away or does be Benadryl (diphenhydramine) only help with itching not the swelling?

Contact dermatitis: Benadryl (diphenhydramine) and other antihistamines treat reactions that are cause by histamine release, like hives (urticaria). Contact dermatitis is inflammation driven by cells of the immune system called lymphocytes. Taking Benadryl (diphenhydramine) for contact dermatitis will make you sleepy but doesn't reduce itch or inflammation. Contact dermatitis responds to topical and if severe enough, oral steroids. ...Read more

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How to treat contact dermatitis itchy rash that seem to spread although i avoid the cause of irritation?what to put on it except corticosperoid cream?

How to treat contact dermatitis itchy rash that seem to spread although i avoid the cause of irritation?what to put on it except corticosperoid cream?

Stronger cortisone.: Sometimes over-the-counter cortisone is not strong enough to calm down the reaction. Contact dermatitis would not spread: it just keeps on showing up on the areas being contacted with the offender(s). ...Read more

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How to treat contact dermatitis if the rash has already occured ?

How to treat contact dermatitis if the rash has already occured ?

Contact dermatitis: You need to clean the area to avoid further contact. Steroid creams may be helpful. There are varying strengths. Your doctor can prescribe stronger creams that may work better than over the counter. It the rash does not respond to creams, steroid pills are also effective. Benadryll pills or cream may also help the symptoms until the steroids start to work. Be aware benadryll can make you sleepy ...Read more

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Can contact dermatitis be reaccuring with rash and cuts?

Can contact dermatitis be reaccuring with rash and cuts?

Contact dermatitis: if the contactant is not identified , it can recur . there are barrier creams available from your dermatologist as well as anti inflammatory medications and patch tests to help determine what is causing this. ...Read more

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My doctor says there is no "cure" for allergy contact dermatitis. I get facial rashes from pollen, and moisturizers don't work. No steroids, please.

My doctor says there is no "cure" for allergy contact dermatitis. I get facial rashes from pollen, and moisturizers don't work. No steroids, please.

Untrue: The cure is avoidance of the contact allergens. Have you undergone patch skin test to try to find out the cause ( I suspect one of the facial cosmetics may be causing it)? On the other hand, if you have atopic eczema, then there is no cure although the condition can be controlled. However the location of your rash is not consistent with atopic eczema. See allergist or dermatologist. ...Read more

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I have 3 different types of rashes on my body. Diagnosed with contact dermatitis on hands but now patches on shins and little "bites" on elbows/arms?

I have 3 different types of rashes on my body. Diagnosed with contact dermatitis on hands but now patches on shins and little "bites" on elbows/arms?

Contact dermatitis?: Good morning, it is possible that you had contact with the same contact allergens in other areas of body, based on the chance of having exposed to the same allergen. It is also possible that you do have an tendency to develop a generalized dermatitis which is called atopic dermatitis. Certain conditions such as psoriasis can sometimes be confused with other dermatoses. See your doctor, please. ...Read more

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How can I tell if my rash is contact dermatitis?

How can I tell if my rash is contact dermatitis?

You would need to: take a small amount of the product you think you may be allergic to and tape it on your forearm (not a lot or you could have a severe allergic reactioand if a rash appears there in the next 72 hours you are likely allergic to some component in that product. The problem is you still don't know what the actual ingredient is, that is what we have patch testing at doctors offices for . Hope that hellp ...Read more

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What is the best way to treat contact dermatitis? I have a really bad rash on my shins and around my ankles!

What is the best way to treat contact dermatitis? I have a really bad rash on my shins and around my ankles!

Contact dermatitis: Contact dermatitis is a type of allergic reaction. The best way to avoid it is to avoid whatever is causing the allergy. It could be insulation, dust, dirt, chemicals, clothes, metal, the soap you use. It is difficult to determine what is causing it.
...Read more

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Recurring red rash around mouth? (not contact dermatitis)

Recurring red rash around mouth? (not contact dermatitis)

Perioral dermatitis: Is relatively common. It has unknown etiology. If persists, please, see a physician. Can be treated with antibiotics or antifungals if deemed appropriate by a physician. ...Read more

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I have a rash that spread all over face. Doc says its just contact dermatitis. How can I tell if its just that or sjs?

Get seen: If you have any doubt, stop any medicine you can stop and get seen by another physician. If i'm wrong, the first physician will forgive us. ...Read more

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I am experiencing butt itch, butt rash with blisters. I believe it is contact dermatitis and would just like to know of ways to help it heal faster. ?

I am experiencing butt itch, butt rash with blisters. I believe it is contact dermatitis and would just like to know of ways to help it heal faster. 
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Bac/viraterial/viral: or fungal infection are all possible alternatives to contact dermatitis; therefore;. you must be examined, evaluated, diagnosed, tested and treated. Lsions must be directly observed. ...Read more

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Rash on elbow skin in olecranon region. Not sure if contact dermatitis from band aid, or something else.

Rash on elbow skin in olecranon region. Not sure if contact dermatitis from band aid, or something else.

Keep it clean: Moisturize it if dry and chaffed, then apply hydrocortisone 1% OTC twice a day for few days, avoid the band aid, if that doesn't help see your doctor ...Read more

Dr. Arnold Malerman
3 doctors shared insights

Newborn Freckle Rash (Definition)

There is a condition where the fetus has a rash while in the womb that is tiny little pustules. They pop, but then leave a tiny spot of pigmentation where they were. When baby born those spots almost look like freckles, but baby has never had sun exposure! Usually fades away over the first few months of life - rarely is ...Read more


Red Ring Shaped Rash (Definition)

A red ring-shaped rash may be a sign of a fungal skin infection called ringworm. The rash of ringworm begins as a small area of red, raised spots and pimples. The rash slowly becomes ring-shaped, with a red-colored, raised border and a clearer center. The border may look scaly. Nummular eczema rashes ...Read more