Doctor insights on:
Neosporin And Sulfa Allergy
If allergic to Bactrim (sulfamethoxazole and trimethoprim) & Ceclor, is allergy to all sulfa drugs & cephalosporins assumed?
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
I'm allergic to Erythromycin-anaphylaxis
Sulfa drugs- rash can I use polymyxin b sulfate eye drops?
Yes: Polymyxin is an effective anti-bacterial. You could use it without the allergies popping up as it has with others. However: are you sure you need this drop? It seems as if you are using an antibiotic for every eye inflammation, most of which are probably not bacterial. And in so doing you have sensitized yourself to antibiotics that you might need for an actual infection. ...Read more
You need a Rx: Depends on the type of infection you are treating. For staph, an rx ointment can be used. ...Read more
Can I take an otc antihistamine along with bactrim (sulfamethoxazole and trimethoprim) and prednisone? It is not for allergic reaction from bactrim (sulfamethoxazole and trimethoprim), just for pollen allergy
Yes: However, you may find that the prednisone (assuming you're using it for something else) helps more for the pollen allergy than antihistamine. If you are receiving treatment for chronic or worsening sinus pressure/infection, then I strongly recommend seeing an Allergist to get help in the future. Recurrent sinus infections will persist unless the allergy is addressed properly. Good luck! ...Read moreSee 1 more doctor answer
Is polytrim eye drops ok for someone allergic to bactrim (sulfamethoxazole and trimethoprim) sulfa?
Depends: If you have a well documented history of an anaphylactic reaction to Bactrim (sulfamethoxazole and trimethoprim) and sulfa in the past (you could not breath and had to go to the er), it is better to choose a different eye drop as you can get a similar allergy with polytrim. In my experience, prior history of "allergy" may not be a true allergy. But tell the md who treated you to be on the same side. ...Read moreSee 2 more doctor answers
I'm allergic to penicillin. Should I use polysporin (bacitracin and polymyxin) or neosporin for cuts and scrapes?
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
Can antibiotics trigger a migraine? Taking ciprofloxacin and neomycin and polymyxin sulfates and hydrocortisone for ear infection.
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
I am allergic to Septra (sulfamethoxazole and trimethoprim) sulfa antibiotic , would I be allergic to zinc sulfates as well that's in my vitamins?
Depends what for: For instance cipro, (ciprofloxacin) zithromycin ; Nitrofurantoin would both be quite safe. Cephalosporins, such as Keflex or suprax are probably safe, but there is some cross-reactivity at times between penillins ; cephalosporins. Trimthoprim without sulfa would also be ok but bacrtim or septra because they contain sulfa. ...Read more
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 I use neomycin sulfate and polymyxin b sulfate if i'm allergic to bactrim (sulfamethoxazole and trimethoprim)? I know sulfates are different from sulfonamides but wanted to check
Yes: Those are two different chemicals, so use freely. ...Read more
Depends: Many people have tattoos using different types of ink and different types of metal needles. Your history of eczema should not make you want to draw attention to your skin or rashes and a tattoo would certainly do that. I would avoid causing more stress to your skin and getting more rashes. ...Read more
Im allergic to penicillin and erythromycine, can I take bactrim (sulfamethoxazole and trimethoprim)?
Yes but for what?: Yes. You can take Bactrim (sulfamethoxazole and trimethoprim) as it is a sulfa drug and different class of drug from penicillin and erythromycin. The real question is for what condition do you want to take? Because the causative organisms for specific diseases may be virus, bacteria, fungus or parasite and the Bactrim (sulfamethoxazole and trimethoprim) is not a magic bullet for all. See your doctorwho would tailor the antibiotic according to organism & sensitivity. ...Read moreSee 1 more doctor answer
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