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allergic to tetracycline

A 54-year-old female asked:
Dr. Kristin Sokol
11 years experience in Allergy and Immunology
Yes: These 2 medicines are different classes. The doctor who prescribed the keeled should be able to explain this to you as well.

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A 73-year-old male asked:
Dr. Michael Zacharisen
32 years experience in Allergy and Immunology
Yes: Tetracycline and Amoxicillin are in completely different classes of antibiotics. There is no cross reactivity.
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A 51-year-old member asked:
Dr. Jeffrey Rumbyrt
31 years experience in Allergy and Immunology
Yes: Tetracycline and Cipro (ciprofloxacin) are in different drug classes. Cipro (ciprofloxacin) is a quinolone agent and is unrelated to tetracycline. Y ... Read More
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A 51-year-old female asked:
Dr. Michael Gabor
32 years experience in Diagnostic Radiology
They: are in the same class of antibiotics, so there may be cross-reactivity with respect to potential allergic reactions.
A 52-year-old member asked:
Dr. Amy Shah
Dr. Amy Shah answered
16 years experience in Allergy and Immunology
Yes: Ampicillin is a beta lactam antibiotic- closely related to penicillin. It is part of the aminopenicillin family and is roughly equivalent to Amoxicill ... Read More
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A 50-year-old member asked:
Dr. Andrew Murphy
28 years experience in Allergy and Immunology
Avoidance: If one is allergic to penicillin then avoidance of penicillin like medications is a requirement. Other classes of antibiotics should be fine but becau ... Read More
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A 54-year-old member asked:
Dr. George Klauber
Specializes in Pediatric Urology
No: They are both quite different.
A 30-year-old member asked:
Dr. Maziar Rezvani
20 years experience in Allergy and Immunology
Maybe: Penicillin allergy is usually secondary to either the beta-lactam components or the minor determinants. If you are found to be allergic (via skin tes ... Read More
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A 51-year-old member asked:
Dr. Brant Ward
12 years experience in Allergy and Immunology
No cross reaction: Ampicillin and other penicillin-type antibiotics have a completely different chemical structure than erythromycin. Thus, the risk for allergic reactio ... Read More
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A 40-year-old member asked:
Dr. Gary Steven
29 years experience in Pediatric Allergy and Asthma
Yes: Penicillin and Amoxicillin are in the same chemical family, along with all of the other antibiotics whose name ends in -cillin. People allergic to pen ... Read More
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A 50-year-old member asked:
Dr. Joel Gallant
35 years experience in Infectious Disease
Yes: Allergies to penicillins (including amoxicillin) are more common than allergies to cephalosporins (including ceclor), but you can be allergic to eithe ... Read More
A member asked:
Dr. Thomas Rohde
34 years experience in General Practice
Varies: Stop antibiotic and take Benadryl (diphenhydramine) for a mild reaction like skin rash. With more serious symptoms like trouble breathing - go to er i ... Read More
A 50-year-old female asked:
Dr. Martin Ostro
48 years experience in Allergy and Immunology
Probably not.: Sulfa allergy doesn't increase likelihood of allergy to other meds. Most reactions to Codeine not allergic but side-effects of codeine/narcotics (gi ... Read More
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A 30-year-old member asked:
Dr. Maziar Rezvani
20 years experience in Allergy and Immunology
Possibly: You may be allergic to other synthetic penicillins as well as cephalosporins. Honestly, there are so many alternatives to these antibiotics that you ... Read More
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A 46-year-old member asked:
Dr. Steven Machtinger
43 years experience in Allergy and Immunology
Yes: Allergy to the entire class of antibiotics called cephalosporins is indeed possible. That allergy would be the common part of the molecule shared by a ... Read More
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A 39-year-old member asked:
Dr. Michael Rupp
20 years experience in Allergy and Immunology
Not Necessarily: Your allergist can test this for you. Usually people who are allergic to erythromycin have cross reactivity with azithromycin, clarithromycin. Issue ... Read More
A 41-year-old member asked:
Dr. David Brouwer
29 years experience in Internal Medicine
Not necessarily: They are not in the same class of antibiotics, so being allergic to Bactrim does not imply you would also be allergic to cipro (ciprofloxacin).
A 28-year-old male asked:
Dr. Kristin Sokol
11 years experience in Allergy and Immunology
Probably not: Penicillium notatum is a mold/fungi that if allergic, can cause symptoms like runny nose, sneezing, nasal congestion, worsening of asthma symptoms, et ... Read More
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A 56-year-old member asked:
Dr. Steven Hill
22 years experience in Family Medicine
We assume yes: We assume yes but since many people's allergies are not correct - eg they had coincidental rash while on penicillin, etc it may or may not be true. S ... Read More
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A 47-year-old member asked:
Dr. Andrew Murphy
28 years experience in Allergy and Immunology
Yes: As background, 90% of patients labelled as penicillin allergic are not. If one is labelled as pcn allergic then they should have pcn skin testing done ... Read More
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A 45-year-old member asked:
Dr. Richard Ogletree
Specializes in Pharmacology
I would not expect : to see cross-sensitivity between ciprofloxacin (a flouroquinolone) and either a penicillin or a sulfa drug. All 3 are chemically different. While a ... Read More
A 55-year-old member asked:
Dr. Ronald Krauser
51 years experience in Rheumatology
Yes: There is no cross-reaction.

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