You can use either of the two medicines.These medicines contain norethisterone
.The dose is 5 mg three times a day starting 3-4 days before a period is due. It can be continued for up to two weeks or so until you want to have a period. Your period will then normally begin 2-3 days after stopping it. Norethisterone is normally safe to take. Some women have side-effects such as bloating
, stomach upset
, breast discomfort and reduced libido (sex drive).
There are no known interactions with alcohol.
may cause clots in veins and heart problems but only when you are using on very long term basis.A course for few days to postpone periods should not cause any problem to you.