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Doctor insights on: Is There Doxycycline In Penicillin

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What happens if you can't have a penicillin shot for syphilis?

What happens if you can't have a penicillin shot for syphilis?

Doxycycline: Doxycycline for 2-4 weeks is recommended if penicillin cannot be given, or sometimes ceftriaxone. However, penicillin is by far the best drug. If you had a severe penicillin allergy in the past, then probably penicillin should be avoided. Otherwise, it still might be the best choice for you. Discuss it with your doctor or, even better, an infectious diseases or STD specialist. ...Read more

Dr. Payam Rafat
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Is there doxycycline in penicillin?

Is there doxycycline in penicillin?

No: Penicillin does not contain doxycycline, and there is no cross-reaction between Doxycycline and penicillin for most penicillin allergic patients. ...Read more

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Can you tell me if doxycycline or vantin is a penicillin or ethromycin?

Can you tell me if doxycycline or vantin is a penicillin or ethromycin?

Neither: Vantin (cefpodoxime) is a cephalosporin: not a penicillin, but somewhat related. Doxycycline is a type of tetracycline, completely unrelated to both penicillins and macrolides (the class of drugs that Erythromycin belongs to). ...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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Is doxycycline as effective towards treating syphilis as the penicillin injections?

Is doxycycline as effective towards treating syphilis as the penicillin injections?

Quite effective: Here is a study that compared them that show equivalent effectiveness: http://cid.Oxfordjournals.Org/content/42/6/e45.Full. ...Read more

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Can doxycycline be used in a lupus (sle) patient that is allergic to penicillin?

Yes: Tetracyclines (e.g. Doxycycline), quinolones (e.g. Ciprofloxacin), macrolides (e.g. Clarithromycin), aminoglycosides (e.g. Gentamicin) and glycopeptides (e.g. Vancomycin) are all unrelated to penicillins and are safe to use in penicillin allergic subjects. ...Read more

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3 years ago, i had chlamydia. Got penicillin shot, and 2 weeks of twice daily doxycycline. The first 4 days, i puked after first pill. Should i worry?

No: Nausea and vomiting are unfortunate side effects of antibiotics. Doxycycline is one of the antibiotics that can commonly have that side effect in some people. Make sure that you do not mention it as an allergy but rather side effect since it could limit useful antibiotics used commonly for various infections. ...Read more

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