Hi Hayley, It sounds unlikely that you are pregnant from what you have said, but I think you need to phone your GP or practice nurse to put your mind at rest. Or you could always buy a pregnancy testing kit from the supermarket.

Remember to use alternative contraception for the rest of this month as you will not be properly covered by the pill if you are taking antibiotics.

Good luck. You know you can always come back to us if you need to.