Your contraception guide

What if I'm on the pill and I'm sick or have diarrhoea?

It depends on when and for how long you're being sick or have diarrhoea.

If you're sick (vomit) within 2 hours of taking your contraceptive pill, it probably will not have been absorbed by your body.

You should take another pill straight away.

As long as you're not sick again, you're still protected against pregnancy.

Take your next pill at the usual time.

If you continue to be sick or have severe diarrhoea (passing 6 to 8 watery stools in 24 hours), this can mean your protection against pregnancy is affected.

Sickness or severe diarrhoea for more than 24 hours

If you can, you should carry on taking your pills at the normal time, but you may need to use extra contraception, such as condoms.

If you continue to be sick for more than 24 hours or you have severe diarrhoea for more than 24 hours, count each day with sickness or diarrhoea as a day that you have missed your pill.

For advice on what to do if you have missed a pill, see:

Read more about what to do if you have diarrhoea and vomiting.

Page last reviewed: 21/01/2019
Next review due: 21/01/2022