Stephen J. Schueler, M.D.

Overview Incidence Symptoms Evaluation Treatment questions for doctor specialist Home Care mouth ulcers pain in adults pain in children warning signs Outlook Complications Underlying Cause infections Anatomy

Allergic Rash Erythema Multiforme Home Care

Home care for erythema multiforme includes:

Allergic Rash Erythema Multiforme Mouth Ulcers

Home care for painful mouth sores due to erythema multiforme includes:

  • Avoid citrus juices and salty or spicy foods.
  • Eat a soft diet. Cold drinks can help numb the mouth sores.
  • Drink plenty of fluids.
  • Oral numbing sprays may be used in adults and children over 2 years of age. Brand names include:
  • Use topical agents such as Gly-Oxide can be used directly on canker sores. You can make your own peroxide solution by diluting 1 part 3% hydrogen peroxide in 3 four parts water.
  • Use mouthwash after meals or warm saltwater gargles three times a day. Make this with one-half teaspoon (2.5 cc) of salt dissolved in one cup (240 cc) of warm water.
  • Nonsteroidal anti-inflammatory medications for pain
  • Acetaminophen for pain

Allergic Rash Erythema Multiforme Pain in Adults

Medications commonly used to control pain and inflammation in adults with erythema multiforme include:

  • Acetaminophen decreases fever and pain, but does not help inflammation.
  • Adult dosing is 2 regular strength (325 mg) every 4 hours or 2 extra-strength (500 mg) every 6 hours.
  • Maximum dose is 4,000 mg per day.
  • Avoid this drug if you have alcoholism, liver disease or an allergy to the drug. See the package instructions.
  • Common brand names include Tylenol, Panadol, and many others.





NSAID Precautions

Allergic Rash Erythema Multiforme Pain in Children

Common medications used at home for pain in children with erythema multiforme include:

Aspirin and most of the other nonsteroidal anti-inflammatory drugs (NSAIDS) are not used in children except under a doctor's care.

  • Acetaminophen decreases fever and pain, but does not help inflammation.
  • Dosing is 10-15 mg per kilogram (5-7 mg per pound) of body weight every 4-6 hours, up to the adult dose.
  • Do not exceed the maximum daily dose.
  • Acetaminophen products come in various strengths. Always follow the package instructions.
  • Avoid this drug in children with liver disease or an allergy to acetaminophen.
  • Common acetaminophen products include Tylenol, Panadol and many others.



Allergic Rash Erythema Multiforme Warning Signs

Notify your doctor if you have erythema multiforme and any of the following:

Continue to Allergic Rash Erythema Multiforme Outlook

Last Updated: Feb 17, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Allergic Rash Erythema Multiforme References
  1. Forman R, Koren G, Shear NH. Erythema multiforme, Stevens-Johnson syndrome and toxic epidermal necrolysis in children: a review of 10 years' experience. Drug Saf. 2002;25(13):965-72. [12381216]
  2. Leaute-Labreze C, Lamireau T, Chawki D, Maleville J, Taieb A. Diagnosis, classification, and management of erythema multiforme and Stevens-Johnson syndrome. Arch Dis Child. 2000 Oct;83(4):347-52. [10999875]
  3. Letko E, Papaliodis DN, Papaliodis GN, Daoud YJ, Ahmed AR, Foster CS. Stevens-Johnson syndrome and toxic epidermal necrolysis: a review of the literature. Ann Allergy Asthma Immunol. 2005 Apr;94(4):419-36. [15875523]
  4. Prendiville J. Stevens-Johnson syndrome and toxic epidermal necrolysis. Adv Dermatol. 2002;18:151-73. [12528405]
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