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Doctor insights on: Allergic Reaction Rash

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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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How do I tell what is causing my allergic reaction rash?

How do I tell what is causing my allergic reaction rash?

Timing: It depends on the timing. The contact with the allergens, either through skin or oral, usually happens days or weeks ago. Person's recall history is crucial. Tests are unreliable or not available. ...Read more

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How do you know you what type of allergic reaction rash you got?

How do you know you what type of allergic reaction rash you got?

Rash trigger: Dear CDean, It would depend on what triggered the rash and what it looks like and your symptoms. Best to have a health care professional see the rash to determine the type. ...Read more

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How long does it usually take an allergic reaction rash to go away?

How long does it usually take an allergic reaction rash to go away?

Variable: Hives or urticaria may wax and wane then resolve within a day or 2 after ingestion or contact with a food allergen. However, poison ivy or nickel allergic contact dermatitis may take 4-6 weeks to eventually resolve. The time to resolution is also impacted by what medications are taken such as oral corticosteroids such as prednisone, which can decrease the time significantly. ...Read more

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How long does an allergic reaction rash from echinacea last?

A few days: Rashes from something you ingest typically last for just a few days or less. The bigger question is what really caused the rash. People break out in rashes from time to time, and it's just human nature to blame the rash on something we ate in the last few hours. If the rash is continuing for more than a week, it probably has nothing to do with the echinacea; you should see your pcp to check it out. ...Read more

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How to get rid of an allergic reaction rash?

How to get rid of an allergic reaction rash?

Allergic rash: Usually it takes prescription medications, such as topical and sometimes oral steroids. ...Read more

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How to tell a heat rash from an allergic reaction rash?

How to tell a heat rash from an allergic reaction rash?

More localized: Allergic rash often hive or welt like may be more diffus, heat rash in warmest areas, groin , axilla, flexor creases. ...Read more

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Are there sure ways to get rid of this allergic reaction rash from a pill?

Are there sure ways to get rid of this allergic reaction rash from a pill?

Time and meds: Most medication reactions will begin to improve within 48 hours after stopping the medication. To ease the symptoms of a drug allergic reaction, antihistamines such as zyrtec, Claritin (loratadine) or Allegra can help. On occasion oral steroids like Prednisone are needed. If the rash is blisters or progressing, then a doctor's visit is important for further evaluation and treatment. ...Read more

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Benadryl (diphenhydramine) tabs take about 1 hour to start working to treat my allergic reaction (rash) Would Benadryl (diphenhydramine) IM be a faster alternative? Can I obtain an RX?

Benadryl (diphenhydramine) tabs take about 1 hour to start working to treat my allergic reaction (rash) Would Benadryl (diphenhydramine) IM be a faster alternative? Can I obtain an RX?

Depends: Benadryl (diphenhydramine) may help hives but not a rash which has lasted more than 24 hrs. IM Benadryl (diphenhydramine) gives you perhaps a 30-minute head start vs oral = not worth the cost or hassle. If you have throat swelling , you may need adrenaline and an allergy consult since this can be life-threatening. ...Read more

Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


Dr. John Chiu
1,005 doctors shared insights

Allergic Reaction (Definition)

Allergic reactions are sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more