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Doctor insights on: Allergic Penicillin Prescribed Cefazolin Terrified Needles Pills

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Since i'm allergic to penicillin, I was prescribed cefazolin, but i'm terrified of needles. Can I take pills instead?

Since i'm allergic to penicillin, I was prescribed cefazolin, but i'm terrified of needles. Can I take pills instead?

Pen/cephalosporins : It depends . First of all, the first choice substitute antibiotic for a penicillin-allergic person is not a cephalosporin, especially a first-generation one like cephazolin. There is a small chance you will be allergic to the cephazolin, and giving it parenterally is much more dangerous than orally. The type of infection you have determines what antibiotics you can use. Ask your doctor for options. ...Read more

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Dr. Margaret Bash
128 doctors shared insights

Cefazolin (Definition)

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


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I am allergic to penicillin and I have been prescribed 250 mg of cefuroxime axetil can I take it?

I am allergic to penicillin and I have been prescribed 250 mg of cefuroxime axetil can I take it?

Possibly: Approximately 16% of individuals with true penicillin allergies will have a cross reactivity with cephalosporin antibiotics, like Cefuroxime axetil. Best to discuss with your prescribing doctor whether or not he or she believes you have a true allergy to penicillin vs. A side effect reaction to penicillin. ...Read more

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If you are allergic to penicillin, are you also allergic to amoxycillin? I remember taking the pink liquid amoxycillin as a child but could not take penicillin. Can i take amoxycillin pills?

Skin : Skin testing to penicillin is again available via penicillin g and prepen. This testing can be useful in answering your question. I would recommend you check with your local allergist to see if they offer penicillin skin testing. ...Read more

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What can I do if i had an allergic to cefzil; prescribed penicillin; early period?

What can I do if i had an allergic to cefzil; prescribed penicillin; early period?

Generally ok: I think what you are asking is if you had an allergic reaction to one of these is it safe to take the other. It turns out that although cephalosporins like Cefzil are related to penicillins the evidence for cross reactivity was inadequately substantiated. If you had a very severe reaction you could be skin tested for allergy to penicillin. ...Read more

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I'm allergic 2 penicillin/prescribed cephalexin 4 a cellulitis infection in my arm from a iv. How fast would a serious reaction occur if allergic ?

I'm allergic 2 penicillin/prescribed cephalexin 4 a cellulitis infection in my arm from a iv. How fast would a serious reaction occur if allergic ?

Quickly: If you are allergic only to penicillin there is about a 10% risk of allergy to Cephalexin a serious reation could involve difficult breathing and falling blood pressure. This could be a medical emergency. A mild reaction might involve a skin rash or hives and though annoying be mild. If you have concerns be sure and discuss it with your physician first. ...Read more

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Suffering from lupus, allergic to penicillin, and was prescribed doxycycline. How safe is it to take this?

Suffering from lupus, allergic to penicillin, and was prescribed doxycycline. How safe is it to take this?

Safe: There is no relation between penicillin and doxycyclin, you can take it, they are from separate classes of medications. ...Read more

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Not allergic to penicillin. Do I have to take clindamycin as prescribed after root canal coronal leakage. Concerned about intestinal problems c- diffi?

Not allergic to penicillin. Do I have to take clindamycin as prescribed after root canal coronal leakage. Concerned about intestinal problems c- diffi?

Talk to your dentist: It is not appropriate to advise you to change antibiotics here. Share your concerns with the dentist that prescribed. Btw, unless you have had c diff previously, the chance of it occurring are slim. ...Read more

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