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Doctor insights on: Velosef First Generation Cephalosporin

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Is it a bad idea for someone allergic to penicillin safely take keflex, a cephalosporin?

Yes: Cephalexin (keflex) is a first generation cephalosporin and a very close cousin to penicillin. Though it is not 100% true that all penicillin allergic individuals are also allergic to cephalexin, there is a high likelihood of that happening. ...Read more

Dr. Tanya Russo
3 doctors shared insights

Cephradine (Definition)

Cephradine is a first generation cephalosporin which is a kind of cephalosporin type drug (anti-bacterial ...Read more


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Should you resume keflex daily to suppress UTI if you got klebsiella UTI on it and were treated with cephalosporin?

Should you resume keflex daily to suppress UTI if you got klebsiella UTI on it and were treated with cephalosporin?

No: The usual drugs used to prevent frequently recurring uti's are sulfa/trimethoprim( septra (sulfamethoxazole and trimethoprim) or bactrim), norfloxacin, or Nitrofurantoin given in relatively low doses each night. I do not recommend Nitrofurantoin (macrobid) because of its potentially serious side effects. Penicillins and cephalosporins are usually not used for this indication. ...Read more

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If i had cephalosporin allergy... Would i know after first dose?

If i had cephalosporin allergy... Would i know after first dose?

Drug Allergy: Your body needs to be exposed to the allergen first. If you are allergic, second and subsequent exposure will cause allertic reaction. ...Read more

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Would the older or newer generation of cephalosporins antibiotics be more likely to cause anaphylaxis in patients severely allergic to penicillin?

Would the older or newer generation of cephalosporins antibiotics be more likely to cause anaphylaxis in patients severely allergic to penicillin?

See below: Persons with type 1 immediate hypersensity to penicillin antibiotics should generally avoid taking cephalosporin antibiotics because of the low but real risk of cross allergenicity. Safe alternative antibiotics include vancomycin, septra, (sulfamethoxazole and trimethoprim) macrolides, tetracyclines, aztreonam, clindamycin, zyvox, quinolones etc. ...Read more

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4 generations of cephalosporins?

Cephalosporins: Yes. As newer classes of agents appear with broadened spectra of activity they are termed new generations. ...Read more

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Today my doctor prescribe a infertility medicns i.E tinidazole , l_methylfolate, chymoral forte, third generation cephalosporin.Is that good medicn?

Today my doctor prescribe a infertility medicns i.E tinidazole , l_methylfolate, chymoral forte, third generation cephalosporin.Is that good  medicn?

Not fertility meds: The medications you are describing are several antibiotics, vitamins and enzymes. None of these are infertility medications. If you are not sure why he/she prescribed them, you should ask your doctor what they are for. ...Read more

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I may need cephalosporin therapy with a suspected penicillin allergy. How does it work? Do I take a 3rd generation by mouth and sit in an ER waiting room with a buddy and an epipen (epinephrine)?

I may need cephalosporin therapy with a suspected penicillin allergy.  How does it work?  Do I take a 3rd generation by mouth and sit in an ER waiting room with a buddy and an epipen (epinephrine)?

Penicillin allergy: Among all patients reporting penicillin allergy, 85 to 90% will tolerate a penicillin, either because they were never allergic or because they had an earlier allergy that subsequently resolved. Among penicillin skin test-positive patients, approximately 2% will react to a cephalosporin. ...Read more

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Allergic reaction to all cephalosporins possible?

Allergic reaction to all cephalosporins possible?

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 all cephalosporins and penicillins, the beta-lactam ring. ...Read more

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Is cephalosporin safe to take while pregnant?

Is cephalosporin safe to take while pregnant?

Yes: Cephalosporins are generally considered safe to take during pregnancy but check with your obstetrition. ...Read more

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Velosef (Definition)

Velosef is a first generation cephalosporin which is a kind of cephalosporin type drug (anti-bacterial ...Read more


Dr. Ralph Wharton
58 doctors shared insights

Cephalosporin Antibiotic (Definition)

Cephalosporins are a kind of anti-bacterial ...Read more