Doctor insights on:
Penicillin Allergy In Children
Penicillin allergy can be classified as an ige mediated immediate immune reaction in which a patient develops an allergic reaction to the break-down products of penicillin leading to allergy cell activation and mast cell release within 30 minutes to a few hours or it can be a delayed t cell mediated immune reaction in which patients develop a skin rash days after being ...Read more
Depends on reaction: In the acute setting, a severe reaction to penicillin might be treated with injectable epinephrine, steroids or benadryl (diphenhydramine). Otherwise, there is no treatment for penicillin allergy other than avoidance. If you have an infection that requires penicillin despite the history of allergy, a penicillin desensitization can be performed. ...Read more
Skin test: The formal means is to have skin testing done by a doctor. The agent is prepared to a standard small dose and injected under the skin. Reaction or not is assessed in a standard time interval. ...Read more
Skin testing: 90% of pt labelled as PCN allergic are not PCN allergic. PCN skin testing and possible oral challenges can be done to clarify this reported sensitivity. ...Read more
Penicillin allergy: Penicillin allergy can be classified as an ige mediated immediate immune reaction in which a patient develops an allergic reaction to the break-down products of penicillin leading to allergy cell activation and mast cell release within 30 minutes to a few hours or it can be a delayed t cell mediated immune reaction in which patients develop a skin rash days after being treated with the antibiotic. ...Read more
Probably not: Unless you have had a severe anaphylactic reaction (where your throat or mouth swelled and it interfered with breathing) then you probably don't need to wear a bracelet for that. Just remember to tell any treating doctor about the allergy. ...Read more
Depends: That depends on what's infected. The choice of antibiotics is dependent on the type of infection. ...Read more
I've heard that some people with penicillin allergy can safely take penicillin 10+ years after initial reaction. Is this true?
No!!! Not true: If you are truly allergic you should never again take penicillin derivatives without a very good reason and physician oversight. The potential for severe life-threatening reactions remains present. Now, you must be sure that you actually had a reaction to penicillin and a good allergist or infectious diseases expert can help to determine this. Nice to hear from another Louisvillian. ...Read more
Is there such a thing as an airborne allergy to penicillin? No penicillin medicines allowed in the home due to penicillin allergy, in case of contact
No: Drug allergy is caused by ingestion.Get a more detailed answer ›
Not the same: The color of bleu cheese is not produced by penicillium, although imagine that if it sat around long enuf and became contaminated this could grow on it. ...Read more
Yes, but...: Desensitization is not permanent. You have to be desensitized each time you need to take penicillin, if there are no effective alternative antibiotics that could be used. Your state of desensitization will continue for as long as you take penicillin every day, but you'll have to be desensitized again if you don't take penicillin for more than 48 hours in a row. ...Read more
Yes: An allergist can test you and desensitize you if needed. ...Read more
Yes: No cross reactions between these two.Get a more detailed answer ›
Skin and other tests: It depends on which antibiotic is of concern. There are skin tests available for many of them, but they should be performed by a properly trained allergist with the necessary controls. After skin testing, depending on the history, another step (cautious challenge or desensitization) may be necessary. ...Read more
Depends on your pcn allergy
2-3 % cross allergy
be careful if you have a bad reaction to pcn. ...Read more
Lots of Options: Depends on the infection. Certain infections call for different antibiotics. Penicillin drugs are usually first line for most problems, however there are alternatives that can be used. Your doctor would be the best person to talk about what options are right for you. If you are interested in determining if you still have a penicillin allergy, see an Allergist for penicillin skin testing. ...Read more
< 7 - 10 days: Antibiotics like penicillin can cause different types of rashes that can vary in how long they persist. The classical true penicillin allergic rash is hives and once the penicillin is stopped usually resolves in less than 7-10 days. Occasionally this can trigger more prolonged hives. Other rashes from penicillin not due to true allergy would include small red bumps that usually lasts < 1-2 wks. ...Read more
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
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