Generic name: NORETHINDRONE 0.5mg, ETHINYL ESTRADIOL 0.035mg; NORETHINDRONE 1mg, ETHINYL ESTRADIOL 0.035mg;
Dosage form: tablets
Medically reviewed on May 4, 2017.
To achieve maximum contraceptive effectiveness, oral contraceptives must be taken exactly as directed and at intervals not exceeding 24 hours.
For a DAY 1 START, count the first day of menstrual flow as Day 1 and the first blue tablet is then taken on Day 1. For a SUNDAY START when menstrual flow begins on or before Sunday, the first blue tablet is taken on that day. With either a DAY 1 START or SUNDAY START, 1 blue tablet is taken for 7 days, then 1 yellow-green tablet for 9 days, then 1 blue tablet for 5 days, then 1 orange tablet (inert) for 7 days, whether bleeding has stopped or not. With either a DAY 1 START or SUNDAY START 1 tablet is taken each day at the same time for 28 days. After all 28 tablets are taken, whether bleeding has stopped or not, the same dosage schedule is repeated beginning on the following day.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Tri-Norinyl (ethinyl estradiol / norethindrone)
- Tri-Norinyl Side Effects
- During Pregnancy
- Dosage Information
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- Drug class: contraceptives