Brand Name
Micronor
Common Name
norethindrone
In this drug factsheet:
DIN (Drug Identification Number)| 00037605 | MICRONOR 0.35MG TABLET |
How does this medication work? What will it do for me?
Norethindrone is a progestin birth control medication used for the prevention of pregnancy. Progestins can prevent fertilization by preventing a woman's egg from fully developing and by causing thickening of the cervical mucus. Progestin-only pills (without estrogen added) are often called the mini pill.
Your doctor may have suggested this medication for conditions other than the ones listed in these drug information articles. As well, some forms of this medication may not be used for all of the conditions discussed here. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else. It can be harmful for people to take this medication if their doctor has not prescribed it.
How should I use this medication?
Norethindrone is taken as one tablet daily, with or without food .See the package insert for information on where in your cycle to start and what to do if you forget to take a pill.
You may wish to use a second method of birth control (e.g., latex condoms and spermicidal foam or gel) for the first 48 hours of the first cycle of pill use. This will provide a backup in case pills are forgotten while you are getting used to taking them.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important to take this medication exactly as prescribed by your doctor. If you forget to take a pill, refer to the package insert for information on how to proceed. If you miss pills at any time, the risk of becoming pregnant increases. Refer to your package insert information for instruction on when you will need to use a second method of birth control. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from moisture and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
What form(s) does this medication come in?
Each green, unscored tablet with "ORTHO 0.35" on each side contains norethindrone 0.35 mg. Nonmedicinal ingredients: include D&C Green No. 5, D&C Yellow No. 10, lactose, magnesium stearate, polyvinylpyrrolidone, and starch. Each 28-day pack contains 28 tablets.
Some medications may have other generic brands available. Always ask your doctor or pharmacist about the safety of switching between brands of the same medication.
Who should NOT take this medication?
Norethindrone should not be used by a woman who:
- is allergic to norethindrone, other progestins, or to any or the ingredients of the medication
- is or may be pregnant
- has active liver disease
- has or has had benign or malignant liver tumours
- has or may have breast cancer
- has undiagnosed abnormal vaginal bleeding
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