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Tetracycline and BC pills

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Old 10-17-2001, 01:46 PM   #1
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Join Date: Sep 2001
Posts: 43
JesterGirl HB User
Post Tetracycline and BC pills

I went to go refill my prescription for the Pill today and my pharmacist noticed that I just had a prescription for Tetracycline 2 weeks ago. She asked how long I was on it (4-5 days) and how long I've been off (1 week). Then she proceeded to tell me that the Tetracyline will stay in my system for 2-3 months and will negate the effects of the birth control pill. Is this true??? I have heard that antibiotic can counteract the effects of BC pill if you take both at the same time, but I have NEVER EVER heard that it stays in the system 2-3 months. That is ridiculous. Any input?

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Old 11-10-2001, 02:35 PM   #2
Join Date: Oct 2001
Location: Chicago,IL,USA
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Blonde19 HB User

Hi!!!Yes, that does sound pretty ridiculous doesn't it, but the same thing happened to me. Yes it is true that anti-biotics will overweigh the effectiveness of BC pills, but in my case, the tetracycline stayed in my system for 1 month, not 2-3. But I would assume that if it stayed in my sustem for 1 month, and I had only been taking it twice a day for only four days, that the anti-biotic does have the potential of staying in the body for up to three weeks. My suggestion is to definately use other forms of BC such as diafram and/or condoms at least for the nest three months. You don't want to take the chance!!!! Lots of love, Hope everything works out ~~~~~~~

Old 12-07-2001, 04:02 PM   #3
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Join Date: Apr 2001
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WL042901 HB User

Hey Jester,
I'm with you - never heard of antibitotics staying in your system that long. If that was the case then why is it that an infection can recur within a few days of finishing antibiotics? I have had several doctors say to double up on contraceptives during the time you're taking antibiotics and for a week or two after. I have even heard as long as 1 month, but never more than that. If you are ever unsure about something that one pharmacist or doctor tells you, feel free to ask a few others to get a general consensus - get a "2nd opinion" so to speak...

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