Levodonna is an emergency contraceptive pill used within 72 hours (3 days) after unprotected sex or if your regular birth control failed.
One 1.5 mg tablet.
Take the tablet whole with water as soon as possible after unprotected sex, preferably within 12 hours and no later than 72 hours (3 days). Do not chew the tablet.
One dose (one tablet) per instance of unprotected sex; not for regular use.