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Nortrel Dosage

Nortrel is a birth control pill that is available in three different strengths. Regardless of the strength your doctor prescribes, it is important that you take your Nortrel dosage at the same time each day. It is also important to know what to do if you miss any pills, as missing Nortrel doses significantly increases your risk of pregnancy.

Nortrel Dosage: An Introduction

As always, do not adjust your Nortrel® (norethindrone and ethinyl estradiol) dosage unless your healthcare provider specifically instructs you to do so. Although Nortrel is very effective when taken as directed, not taking Nortrel correctly can significantly increase the risk of pregnancy.

Nortrel Strengths and Dosing

Nortrel comes in different strengths, including:
  • Nortrel 0.5/35 -- 0.5 mg of norethindrone and 0.035 mg (35 mcg) of ethinyl estradiol per active tablet (in the first 21 tablets of each pack), followed by 7 inactive tablets (which do not contain any hormones)
  • Nortrel 1/35 -- available in 21-day or 28-day packs:

 

    • 21-day pack -- 1 mg of norethindrone and 0.035 mg (35 mcg) of ethinyl estradiol in each tablet (no inactive tablets)
    • 28-day pack -- 1 mg of norethindrone and 0.035 mg (35 mcg) of ethinyl estradiol per active tablet (in the first 21 tablets of each pack), followed by 7 inactive tablets (which do not contain any hormones)
  • Nortrel 7/7/7 -- contains 28 tablets in each pack, with the following different phases:

 

    • Day 1 to 7 -- 0.5 mg norethindrone and 0.035 mg (35 mcg) of ethinyl estradiol per tablet
    • Day 8 to 14 -- 0.75 mg norethindrone and 0.035 mg (35 mcg) of ethinyl estradiol per tablet
    • Day 15 to 21 -- 1 mg of norethindrone and 0.035 mg (35 mcg) of ethinyl estradiol per tablet
    • Day 22 to 28 -- no active ingredients.
Last reviewed by: Kristi Monson, PharmD
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