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Doctor insights on: Eat Penicillin Allergy

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What happens if you can't have a penicillin shot for syphilis?

What happens if you can't have a penicillin shot for syphilis?

Doxycycline: Doxycycline for 2-4 weeks is recommended if penicillin cannot be given, or sometimes ceftriaxone. However, penicillin is by far the best drug. If you had a severe penicillin allergy in the past, then probably penicillin should be avoided. Otherwise, it still might be the best choice for you. Discuss it with your doctor or, even better, an infectious diseases or STD specialist. ...Read more

Penicillin Allergy (Definition)

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


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

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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Is it dangerous to eat moldy bread if you have a penicillin allergy?

Is it dangerous to eat moldy bread if you have a penicillin allergy?

No: Most mold on bread is rhizopus, not penicillium, and would not cause a reaction in those with allergy to the drug penicillin. There have been a few penicillium molds producing penicillin found in some sausages and cheeses, but generally, there probably is not enough penicillin to cause a reaction, since this is almost never seen. The usda recommends that moldy breads be discarded for everyone. ...Read more

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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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What is given for a penicillin allergy?

What is given for a penicillin allergy?

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

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Can a penicillin allergy be hereditary?

Can a penicillin allergy be hereditary?

It is more likely: That you can have allergies to specific medications. However, it is important to understand that the sensitivity and likelihood may be hereditary, but the allergy itself is not hereditary. I hope that helps! ...Read more

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What is given for a penicillin allergy?

What is given for a penicillin allergy?

Well: Not sure of your question. You can be desensitized but rather risky. You can always avoid pen and be treated with other antibiotics ...Read more

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How to find out if I have a penicillin allergy?

How to find out if I have a penicillin allergy?

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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How to find out if I have a penicillin allergy?

How to find out if I have a penicillin allergy?

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

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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