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How to tell the difference between poison ivy rash and bacterial infection

A male asked:
Dr. John Froude
Infectious Disease 55 years experience
Probably poison ivy: did he have fever? if no more likely PI does he have underlying illness such as diabetes? if not more likely PI Is the lesion diffusely red spreading ... Read More
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Dr. Christopher Cirino
Infectious Disease 25 years experience
Not likely bacterial: To differentiate cellulitis from rhus (poison ivy) : Cellulitis is. Condition that.presents with fever and systemic symptoms and is characterized as a... Read More
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Dr. Robert Buzzeo
A US doctor answeredLearn more
Questionable rash : If the rash has clear blisters, general redness, seems to be getting worse as the days progress - it may be likely poison ivy, especially with a histo... Read More
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A 49-year-old member asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Poison ivy itches: You get a lot of itching and blisters from poison ivy but not from a bacterial infection. Also poison ivy is not associated with pus.
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A 47-year-old member asked:
Dr. Lily Hwang
Pediatric Allergy and Asthma 20 years experience
Blisters resolved: Most people initially get swelling or itching at the place of contact within hours then in the next weeks (1-3 weeks) they may have blister forming th... Read More
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A 46-year-old member asked:
Dr. Rudolph Johnstone
37 years experience
Poison ivy: If it is severe you doctor can prescribe Prednisone by mouth in addition to oral antihistamine.
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A 33-year-old member asked:
Dr. Reid Blackwelder
Family Medicine 39 years experience
Usually a day or so: The chemical in the poison ivy plant that causes the problem in many people usually takes a day or two before it fully erupts. Often, people feel some... Read More
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A 28-year-old female asked:
Dr. Mark Taylor
Dermatology 49 years experience
Poison Ivy is bad: Poison ivy can be treated with I.M. Kenalog, but I prefer a course of oral prednisone because it does not supress the adrenal gland as long as a Kenal... Read More
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A 34-year-old member asked:
Dr. Stevan Cordas
Internal Medicine 59 years experience
Poison ivy: Yes, it may not be enough but it is a good cream.
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Possible: especially if you had scratched the area heavily. I would give it at least 3 months to see if the pigment would return before doing anything about it... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Yes, Doc ASAP: Severe and widespread poison ivy reactions may be nearly as bad as having a 3rd degree burn making you susceptible to infection. You need to be prop... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Lily Hwang
Pediatric Allergy and Asthma 20 years experience
Few hours to weeks: Poison ivy causes contact dermatitis after contact from the urushiol oil from the poison ivy. Symtpoms can ccur from a few hours up to 3 weeks after ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
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