Emergency contraception - Levonorgestrel

4 important questions on Emergency contraception - Levonorgestrel

What is the dose of levonorgestrel for EHC and how many hours after sex should it be taken?

1.5mg 72 hours after sex

Why would the dose of levonorgestrel EHC need to be doubled?

Drug inducers (carbamazepine, rifampicin, alcohol (chronic), phenytoin, griseofulvin, sulfonylureas (gliclazide, glimepiride, glibenclamide)) and a BMI>26

Can you take levonorgestrel EHC if you breast feed?

Take it after breast feeding and wait 8 hours to feed again
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What about regular contraception after taking levonorgestrel EHC?

Continue regular contraception after taking it

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