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do antibiotics affect the injection?

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i got the contraceptive depo injection on the 26th of january, i recently had meningitis and was released from hospital a week ago, i was given antibiotics and wondered if that affects the injection?

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replied March 5th, 2012
Birth Control Answer A32392
Welcome to ehealthforum,
The use of antibiotics usually affects the efficacy of the oral contraceptives, patches or Nuvaring. These can affect efficacy of injectable forms also (although rarely seen). If you had been sexually active (without additional protection) during your antibiotic treatment, then chances of pregnancy could be possible. Since none of the birth control measures give you 100% protection, you should use back-up protection while having intercourse for additional protection from pregnancy (if you are worried about pregnancy). Visit your doctor/gynecologist for further discussion and evaluation.
Take care.

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