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Is it possible that me being on antibiotics can cause my period to be late? I am over four days late and hpts are neg. I'm not stressed and I've been having the symptoms that I am going to start...What is up...I'm not really worried, guess I am just asking if its possible that antibiotics could cause me to be late...

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Asked by Anonymous at 10:54 PM on May. 23, 2010 in Health

Answers (2)
  • Yes. They can also cause birth control pills and rings to fail.

    Answer by ecodani at 11:06 PM on May. 23, 2010

  • I've never been late after being on an antibiotic. It could be the problem that's necessitating the antibiotic, or if you're on bc, it renders most bc useless for the duration. You could very well be pregnant, so take a test, but you could just as likely be under enough stress, etc, to make you late. Test ASAP.

    Answer by Anonymous at 1:02 AM on May. 24, 2010

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