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Doctor insights on: Allergy To Mold Vs Allergy To Pcn

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If a person has penicillin allergy, is it safe to eat roquefort, blue, or gorgonzola cheese? Does the mold in the cheese make penicillin?

If a person has penicillin allergy, is it safe to eat roquefort, blue, or gorgonzola cheese? Does the mold in the cheese make penicillin?

Great question: Reactions to penicillin in foods eaten by persons allergic to penicillin are rare - perhaps 10 cases in past 25 years worldwide. Cases involve eating meat from an animal given penicillin before slaughtering. I found no cases attributed to the cheeses listed. They use a different species of the genus penicillium to add flavor. Also many persons who think they are penicillin allergic are not. ...Read more

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Dr. John Chiu
2,479 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


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Is an allergy to penicillin inherited?

Is an allergy to penicillin inherited?

Not necessarily : Having an antibiotic sensitive parent carries a 15 fold increased risk sensitivity to medications however most people who identify themselves as allergic to penicillin are actually allergic. ...Read more

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Is an allergy to penicillin inheritable?

Is an allergy to penicillin inheritable?

Not likely: You may inherit a propensity to develop allergic reactions , but must be exposed to the agent to which you become allergic before you are considered penicillin allergic. ...Read more

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How much is a penicillin allergy test?

How much is a penicillin allergy test?

Depends: You should shop around - it can vary by provider, lab and region as well as if you pay cash or use insurance - would recommend calling a company like labcorp or quest for info. ...Read more

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How much does a penicillin allergy test cost?

How much does a penicillin allergy test cost?

Covered by insurance: Testing for penicillin allergy involves skin testing to many of the different components of penicillin (major and minor). This testing is relatively painless and can be done in 2-3 hours. Insurance usually covers such testing. ...Read more

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Hi docs, would penicillin interact with allergy pills?

Hi docs, would penicillin interact with allergy pills?

Usually not: Most common antihistamines and steroids, used for allergy do not interact with penicillin. ...Read more

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I have rash after I take penicillin ... Is this allergy ?

I have rash after I take penicillin ... Is this allergy ?

Maybe: Rashes after antibiotics are often from an allergy to the medication. But often viral infections and even strep throat can cause a rash and if antibiotics were given for strep (or an ear or sinus infection while the person has an underlying viral infection), the rash might be from either the antibiotic or the infection. There are skin tests that is very reliable for penicillin allergy. ...Read more

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Can you eat bleu cheese if you have a penicillin allergy?

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

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Will penicillin interact with allergy pills? Please help me docs!

Will penicillin interact with allergy pills? Please help me docs!

No: as long as you do not have an allergy to penicillin you should be fine. Hope this was helpful. Best of luck. Dr. R ...Read more

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