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can you take rifaximin if allergic to penicillin

A 18-year-old female asked:
Dr. Martin Raff
55 years experience Infectious Disease
Piperacillin/tazobac: This compound contains a penicillin derivative and if you have a documented allergy to penicillin you should never ever take this drug.
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A 49-year-old member asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Yes: Fosfomycin is an antibiotic made originally from streptomycin and now all synthetic. It should not cross react with penicillin.
A 42-year-old member asked:
Dr. Jonathan Richards
17 years experience Endodontics
Yes: Acidophilus and penicillin have a low chance of interaction. Acidophilus itself should not contain any cross-reactive allergens similar to penicillin ... Read More
A 31-year-old female asked:
Dr. Robert Isaacs
38 years experience Family Medicine
Malaria tablets: Potentially any. There isn't an association between penicillin allergy and allergy to any malaria medication, whether it is for prevention or tr ... Read More
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2 thanks
A 37-year-old member asked:
Dr. Howard Lelvowitz
26 years experience Internal Medicine
See below: Depends what you are treating Cleocin is good for skin infections avelox for respiratory Cipro (ciprofloxacin) for urine tract infections.
A 39-year-old member asked:
Dr. Alan Wartenberg
A Verified Doctor answered
A US doctor answered Learn more
You shouldn't: But it has nothing to do with penicillin allergy. The two drugs are totally unrelated, but mdma is a dangerous drug in kids, even more so in a 39 year ... Read More
A 34-year-old member asked:
Dr. Ahmad M Hadied
48 years experience Orthopedic Surgery
Yes: The doctor will run some test and he will begin treatment for that.
A female asked:
Dr. Al Hegab
Dr. Al Hegab answered
39 years experience Allergy and Immunology
Not related: and no way to know if you are truly allergic to penicillin except by getting professionally tested by an allergist or having a reaction after taking t ... Read More
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1 thank
A 39-year-old member asked:
Dr. Doanh Nguyen, md, faaaai
13 years experience Allergy and Immunology
Yes: Cross reactivity between the two classes are low so Cephalexin is not contraindicated in penicillin allergy patients. You should have your prescribing ... Read More
A 31-year-old member asked:
Dr. Joram Seggev
Specializes in Allergy and Immunology
It depends.: only 10 Of 100 people who claim to be allergic to penicillin really are. Amoxicillin can cause a rash directly. Reaction to an IM injection does not ... Read More

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