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Doctor insights on: Allergic To Penicillin Can I Use Doxycycline

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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

Dr. Chad Levitt
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Is Doxycycline as effective as penicillin with syphilis I am allergic to pen. Also how long does it take for the doxy to work am infectious while on it?

Is Doxycycline as effective as penicillin with syphilis I am allergic to pen. Also how long does it take for the doxy to work am infectious while on it?

Just as effective: Yes, doxycycline is just as effective as penicillin, but you must take all of the pills more or less on time. You're probably non-infectious after a few days, but best to avoid sex until after completing the entire 2 weeks of treatment. ...Read more

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Regime for doxycycline to treat mild tetanus? F, 22, 135 pounds. Allergic to penicillin, had reaction to metronidazole after 3 days. Real advice plz

Regime for doxycycline to treat mild tetanus? F, 22, 135 pounds. Allergic to penicillin, had reaction to metronidazole after 3 days. Real advice plz

Cannot advise: The replies in this forum are limited to answers to general medical questions and for educational purposes. Diagnostics and treatment recommendations are deferred to your primary healthcare provider. I hope you are feeling better soon. ...Read more

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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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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 you tell me if doxycycline or vantin (cefpodoxime) is a penicillin or ethromycin?

Can you tell me if doxycycline or vantin (cefpodoxime) 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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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?

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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With Cefzil & rocephin (ceftriaxone) I get hives. Should I take penicillin shot for syphilis treatment. This is a 3rd infection. Used doxycycline for first 2.

With Cefzil & rocephin (ceftriaxone) I get hives. Should I take penicillin shot for syphilis treatment. This is a 3rd infection. Used doxycycline for first 2.

Condoned: Penicillin is still the first line treatment for syphilis. The most effective treatment for syphilis is not to get it, use a condom. The more often you get it, the greater your risk for antibiotic resistance. Also, with this being your third episode, you are now at high risk of contracting chlamydia and HIV. You need to get tested for those too. Stop playing Russian roulette with your life. ...Read more

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I am getting dehydrated no reason. Went to urgent care on feb 27 urinary tract inf. No fever. He gave me doxycycline 2 times a day I have horrible drug allergies can only take levaquin avelox penicillin cannot take sulfa or macrobid. He gave me doxycycl

I am getting dehydrated no reason. Went to urgent care on feb 27 urinary tract inf. No fever. He gave me doxycycline 2 times a day I have horrible drug allergies can only take levaquin avelox penicillin cannot take sulfa or macrobid. He gave me doxycycl

Dehydration: Dehydration can occur easily when a patient has an infection. An infection can cause a fever, even when the patient isn't always aware, and the skin flushes, with more fluid evaporating. In addition, if a patient isn't feeling well, they often don't drink or eat as much as they typically do. Patient's who are on other medications, including cardiovascular medications, can be more sensitive to the effects of dehydration. Signs of allergic reaction to a medication usually includes rash that is usually hives, swelling, itching, or shortness of breath. ...Read more

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Is doxycline strong enought to kill gonorrhea virus I'm allergic to penicillin?

Is doxycline strong enought to kill gonorrhea virus I'm allergic to penicillin?

Better...: Note: gonorrhea is a bacteria and not a virus. Antibiotics don't work on viral infections. To answer you question, doxy is a recommended drug to treat gonorrhea. Why? Gonorrhea resistance to cephalosporins (a penicillin like antibiotic) is rising; either Doxycycline or Azithromycin is effective in treating gonorrhea, and is recommended by the cdc. ...Read more

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I had vrdl 1:64. I got 1 penicillin 1.2 shot. I took 2 tablets of doxycyline hyclate for 2 weeks everyday. Is this enough to cure my syphilis. Am hiv-?

I had vrdl 1:64. I got 1 penicillin 1.2 shot. I took 2 tablets of doxycyline hyclate for 2 weeks everyday. Is this enough to cure my syphilis. Am hiv-?

No way to tell: These are syphilis tests, not HIV tests. Please do yourself a double favor: (1) get a good HIV test now from your physician; (2) be a responsible lover and always use barrier protection from now on. Best wishes. ...Read more

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Can I use doxycycline for diverticulitis? Allergic to sulfa and penicillin and unable to tolerate cipro/flagyl. Have not tried doxycycline.

Can I use doxycycline for diverticulitis? Allergic to sulfa and penicillin and unable to tolerate cipro/flagyl. Have not tried doxycycline.

Yes, one of the opti: But you should also try to find out whether you are allergic or intolerant to Flagyl or Cipro. Seek the help of an allergist since diverticulitis tends to recur. And doxycycline may or may not work the next time. ...Read more

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