Buy it from gp as you cant purchased off the counter.
"After morning pill" aka emergency contraception should be
consumed within 72hours after unprotected sex. The most common type
is a pill, usually 2 tablets and effectiveness is up to
94%.
However, there might be side effects such as nausea, tenderness
in the breasts, irregular bleeding or vaginal discharge, headache
or dizziness.
your next period might also be affected, coming earlier or later
than usual.