Doctor insights on:
Allergic Reactions To Cipro
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
Yes: Statistically the penicillin family of antibiotics trigger the most reactions because they are so universally used. Penicillin testing is widely available by allergists and is recommended to avoid needlessly avoiding this inexpensive and effective family of antibiotics. But any kind of antibiotic carries with it the chance of allergy, and as a class, is one of the most common drug causing allergy. ...Read moreSee 1 more doctor answer
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 testing) to the beta-lactam component then you are at risk for sensitization to all beta-lactam medications, including cephalosporins. Fortunately in the majority of people, this is not the case. You should consult with your local allergy specialist. ...Read moreSee 1 more doctor answer
Can Benadryl (diphenhydramine) help a swelling and hive reaction (itching) allergic reaction to penicillin?
Depends: on the reaction, if just hives and itching, yes benadryl (diphenhydramine) can control it in the right dosage, after discontinuing the offending drug, but if more severe symptoms/swelling you need medical attention with the possible addition of epinephrine and probably steroids, ...Read more
Avoidance: If one is allergic to penicillin then avoidance of penicillin like medications is a requirement. Other classes of antibiotics should be fine but because an individual has one drug allergy they may be at risk for reactions to other classes of drugs. One should also be very clear that moving forward that antibiotics are needed. ...Read more
Some of them: Their are different "classes", or families of antibiotics. You would be likely to have a reaction to amoxicillin, for instance. Their is some cross reactivity with cephalosporins, like keflex, in approximately 15% of people. You could be allergic to other meds as well, but would not be much more likely than the general population to have an allergy to quinolones, like cipro, (ciprofloxacin) or macrolides. ...Read moreSee 1 more doctor answer
Likely, not certain: The majority of people who are told they are allergic to penicillin are not actually so (they get rashes for other reasons, e.g.). Of those that are allergic, about 70% or more will lose the allergy after about 10 years. If you are still allergic, there is about a 10% chance of cross-reaction to 1st-gen cephalosporins like keflex. An allergist can perform testing to judge your risk for a reaction. ...Read more
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 penicillin are almost certainly allergic to all members of this class, and should not be treated with any of the cillins. ...Read moreSee 1 more doctor answer
Neosporin: Neosporin is a very common allergen, as is Bacitracin (both are very commonly used). Interestingly, neither is better than vaseline at preventing infection, but both are usually better at treating one. So, if you have a scratch, simple use of vaseline (or equivalent) is best to prevent an infection, and save the antibiotics for a proven infection. Stop using neosporin if it causes a rash for u. ...Read more
Cephalosporin rx: Older studies suggested that there was a 5-7% risk of having a reaction to a cephalosporin if you had a history of penicillin allergy. However, there have been recent studies indicating that the newer cephalosporins are structurally different enough that the risk of cross reaction is quite low, even eliminating the need to test for penicillin allergy prior to administering the cephalosporin. ...Read moreSee 1 more doctor answer
If allergic to Bactrim (sulfamethoxazole and trimethoprim) & Ceclor, is allergy to all sulfa drugs & cephalosporins assumed?
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