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  3. Kienor CR-10 Tablet 10's

Prescription drug
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Kienor CR-10 Tablet 10's, Pack of 10 TABLETS
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Written By Veda Maddala , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD

Kienor CR-10 Tablet is used to treat heavy, painful, or irregular periods, premenstrual syndrome (PMS), and endometriosis. Additionally, it may be used in the treatment of breast cancer. It contains Norethisterone, which works by restoring the hormone levels in the body. In some cases, this medicine may cause side effects such as unusual vaginal bleeding or spotting, dizziness, dry mouth, constipation, nausea, and diarrhoea. Let the doctor know if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.

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Composition :

NORETHISTERONE-10MG

Manufacturer/Marketer :

Kiefer Pharmaceuticals

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

About Kienor CR-10 Tablet

Kienor CR-10 Tablet is used to treat heavy, painful, or irregular periods, premenstrual syndrome (PMS), and endometriosis. Endometriosis is a disorder in which the uterus's tissue lining (endometrium) grows on the ovaries, bowel, or tissues lining the pelvis.

Kienor CR-10 Tablet contains Norethisterone, which mimics the activity of the natural hormone progesterone. Thereby, it restores hormone levels in the body and regulates the growth and shedding of the womb lining.

Common side effects include unusual vaginal bleeding or spotting, dizziness, dry mouth, constipation, nausea, diarrhoea, headache, breast pain, and tenderness. Most of these side effects do not require medical attention. However, if the side effects persist, please consult your doctor.

If you are allergic to Kienor CR-10 Tablet or any other medicines, please tell your doctor. Kienor CR-10 Tablet is not recommended for pregnant women as it may harm the unborn baby. If you are breastfeeding, consult a doctor before taking Kienor CR-10 Tablet . It is advised to use effective non-hormonal contraceptives such as condoms to avoid pregnancy while taking Kienor CR-10 Tablet .

Uses of Kienor CR-10 Tablet

Kienor CR-10 Tablet is used to treat endometriosis. The detailed uses of Kienor CR-10 Tablet are as follows:

  • Menstrual Cycle Regulation: Kienor CR-10 Tablet is commonly used to regulate irregular menstrual cycles or to induce menstruation in women experiencing amenorrhea (absence of periods).
  • Management of Endometriosis: Kienor CR-10 Tablet is also effective in managing endometriosis, a condition where uterine-like tissue grows outside the uterus, leading to pain and irregular bleeding.
  • Support in Hormone Replacement Therapy: In postmenopausal women, Kienor CR-10 Tablet is often combined with estrogen therapy to prevent endometrial hyperplasia (thickening of the uterine lining), which can result from estrogen use alone.
  • Relieve Menstrual problems: Kienor CR-10 Tablet is sometimes prescribed to alleviate symptoms of premenstrual syndrome (PMS) and to provide relief from excessive bleeding or pain during menstruation.

Have a query?

Directions for Use

  • Kienor CR-10 Tablet can be taken with or without food, or as advised by the doctor.
  • Follow your doctor's instructions on the dosage and timing of this medication to ensure safety.
  • Swallow Kienor CR-10 Tablet as a whole with a glass of water.
  • Do not chew, crush or break it.

Medicinal Benefits

  • Kienor CR-10 Tablet contains Norethisterone, a synthetic hormone that mimics the activity of the natural hormone progesterone.
  • It restores hormone levels in the body and regulates the growth and shedding of the womb lining. Thus, it helps treat menstrual disorders.
  • Kienor CR-10 Tablet is also used in the treatment of breast cancer.

How Kienor CR-10 Tablet Works

Kienor CR-10 Tablet contains Norethisterone that works by mimicking the activity of the natural hormone progesterone. Thereby, it restores hormone levels in the body and regulates the growth and shedding of the womb lining. Thus, it helps to treat menstrual disorders.

Storage

• Store in a cool and dry place away from sunlight.• Keep Kienor CR-10 Tablet out of reach and sight of children.• Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.

What if I have taken an overdose of Kienor CR-10 Tablet

Take Kienor CR-10 Tablet only as prescribed by the physician. Avoid exceeding the recommended dose as it could lead to an overdose. Symptoms of overdose may include nausea, vomiting, breast enlargement and vaginal bleeding. If you experience these symptoms or suspect you have taken an overdose, seek immediate medical attention.

Drug Warnings

  • If you are allergic to Kienor CR-10 Tablet or any other medicines, please tell your doctor.
  • Kienor CR-10 Tablet is not recommended for pregnant women as it may harm an unborn baby.
  • If you are breastfeeding, consult a doctor before taking Kienor CR-10 Tablet .
  • It is advised to use effective non-hormonal contraceptives such as condoms to avoid pregnancy while taking Kienor CR-10 Tablet .
  • You are advised to stop smoking while taking Kienor CR-10 Tablet as it may increase the risk of adverse effects.
  • If you are about to undergo any surgery, please inform your doctor that you are taking Kienor CR-10 Tablet as it may increase the effect of certain anesthetics.
  • If you experience sudden shortness of breath, rapid heartbeat, sudden, severe, sharp pain in the chest, or cough up blood, stop taking Kienor CR-10 Tablet and consult a doctor immediately as these might be signs of a blood clot in the lungs.

Drug-Drug Interactions

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NorethisteronePrimidone
Severe
NorethisteroneRifabutin
Severe

Drug-Drug Interactions

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NorethisteronePrimidone
Severe
How does the drug interact with Kienor CR-10 Tablet:
Coadministration of Kienor CR-10 Tablet and primidone can reduce the blood levels and effects of Kienor CR-10 Tablet and increase the risk of bleeding.

How to manage the interaction:
Although there is an interaction between Kienor CR-10 Tablet and Primidone, they can be taken together if prescribed by a doctor. However, if you experience abnormal bleeding, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
NorethisteroneRifabutin
Severe
How does the drug interact with Kienor CR-10 Tablet:
Coadministration of Kienor CR-10 Tablet with Rifabutin can reduce the blood levels and effects of norethindrone.This increases the risk of severe bleeding and unintended pregnancy.

How to manage the interaction:
Taking Kienor CR-10 Tablet with Rifabutin together can result in an interaction, it can be taken if your doctor has advised it. However, if you notice any symptoms of abnormal bleeding, you should contact a doctor immediately. Do not stop using any medications without talking to a doctor.
NorethisteroneFosamprenavir
Severe
How does the drug interact with Kienor CR-10 Tablet:
Using norethindrone together with fosamprenavir may decrease the effects of fosamprenavir.

How to manage the interaction:
Taking Kienor CR-10 Tablet with Fosamprenavir together can result in an interaction, but it can be taken if your doctor has advised it. If you're taking birth control and experiencing any symptoms, it's important to reach out to a doctor right away. They can recommend other options that won't interfere with your medication. Do not discontinue any medications without consulting a doctor.
NorethisteroneCarbamazepine
Severe
How does the drug interact with Kienor CR-10 Tablet:
Taking carbamazepine and Kienor CR-10 Tablet may possibly reduce the effects of Kienor CR-10 Tablet which may result in higher risk of breakthrough bleeding and unexpected pregnancy.

How to manage the interaction:
Although taking carbamazepine and Kienor CR-10 Tablet together can result in an interaction, it can be taken if your doctor has prescribed it. Contact your doctor if you experience hot flashes, vaginal dryness, or uncontrolled bleeding. Do not discontinue any medications without consulting a doctor.
NorethisteroneRifapentine
Severe
How does the drug interact with Kienor CR-10 Tablet:
Combining Rifapentine and norethindrone reduces the blood levels and effects of norethindrone and increases the risk of bleeding and unintended pregnancy.

How to manage the interaction:
Although there is a possible interaction between Kienor CR-10 Tablet and Rifapentine, you can take these medicines together if prescribed by your doctor. If you're having any of these symptoms like unexpected bleeding, abnormal bleeding, it's important to reach out to a doctor right away. Do not discontinue any medications without consulting a doctor.
NorethisteroneBosentan
Severe
How does the drug interact with Kienor CR-10 Tablet:
Co-administration of Kienor CR-10 Tablet with Bosentan can reduce the blood levels and effects of norethindrone.

How to manage the interaction:
Taking Kienor CR-10 Tablet with Bosentan together can result in an interaction, but it can be taken if your doctor has advised it. Do not stop using any medications without talking to a doctor.
NorethisteroneBexarotene
Severe
How does the drug interact with Kienor CR-10 Tablet:
Coadministration of Bexarotene and Kienor CR-10 Tablet together can decrease the effectiveness of norethindrone and increase the risk of unintended pregnancy.

How to manage the interaction:
Combining Bexarotene with Kienor CR-10 Tablet can result in an interaction, but it can be taken if your doctor has advised it. However, if you experience any symptoms like increased hot flashes, vaginal dryness, or menstrual abnormalities, contact the doctor immediately. Do not discontinue any medications without consulting a doctor.
NorethisteroneMycophenolic acid
Severe
How does the drug interact with Kienor CR-10 Tablet:
Coadministration of Kienor CR-10 Tablet and Mycophenolic acid can decrease the levels and effects of Kienor CR-10 Tablet.

How to manage the interaction:
There could be a possible interaction between Mycophenolic acid and Kienor CR-10 Tablet, but they can be taken together if your doctor has prescribed them. However, if you experience hot flashes, vaginal dryness, or abnormal bleeding consult a doctor. Do not discontinue any medications without a doctor's advice.
NorethisteroneRifampicin
Severe
How does the drug interact with Kienor CR-10 Tablet:
Taking Kienor CR-10 Tablet with rifampicin can decrease the blood levels of Kienor CR-10 Tablet, which may make the medication less effective.

How to manage the interaction:
Although there is an interaction between Kienor CR-10 Tablet and rifampicin, they can be taken together if prescribed by a doctor. However, if you experience abnormal bleeding, contact your doctor immediately. Do not discontinue any medications without consulting a doctor.
NorethisteronePhenytoin
Severe
How does the drug interact with Kienor CR-10 Tablet:
Coadministration of Phenytoin and Kienor CR-10 Tablet may decrease the blood levels of Kienor CR-10 Tablet, which may make Kienor CR-10 Tablet less effective.

How to manage the interaction:
Although taking Phenytoin and Kienor CR-10 Tablet together can result in an interaction, it can be taken if your doctor has prescribed it. If you experience any symptoms, consult the doctor immediately. Do not stop using any medications without talking to a doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • Avoid fried and processed foods.
  • Include fiber-rich foods like whole grains, fruits, and vegetables in your diet.
  • Avoid refined carbohydrates that are high in sugars.
  • Replace animal proteins (like eggs, fish, and meat) with vegetable protein sources (nuts, seeds, and beans).
  • Avoid drinking excess alcohol or caffeinated drinks as they can worsen the symptoms.
  • Maintain a healthy weight, do moderate exercise regularly.
  • Avoid smoking and alcohol intake.

Habit Forming

No

Therapeutic Class

PROGESTIN

All Substitutes & Brand Comparisons

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Alcohol

Consult your doctor

The interaction of Kienor CR-10 Tablet with alcohol is unknown. Please consult a doctor before consuming alcohol while using Kienor CR-10 Tablet .

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Pregnancy

Unsafe

Kienor CR-10 Tablet is a category X pregnancy drug and is not recommended for use during pregnancy as it may harm the unborn baby. Please consult a doctor if you are pregnant or planning for pregnancy.

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Breast Feeding

Consult your doctor

Kienor CR-10 Tablet is given to breastfeeding women only if the doctor thinks benefits are greater than risks. Please consult a doctor if you are breastfeeding.

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Driving

Safe if prescribed

Kienor CR-10 Tablet usually does not affect your ability to drive or operate machinery.

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Liver

Unsafe

Kienor CR-10 Tablet is not recommended if you have liver disease. However, if you have any concerns regarding this, please consult a doctor.

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Kidney

Caution

Take Kienor CR-10 Tablet with caution, especially if you have a history of Kidney diseases/conditions. The dose may be adjusted by your doctor as required.

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Children

Unsafe

Kienor CR-10 Tablet is not recommended for use in children under 18 years.

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Heart

Kienor CR-10 Tablet should be used with caution in patients with heart problems. Inform your doctor about any heart-related conditions before taking Kienor CR-10 Tablet .

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Geriatrics

Unsafe

Kienor CR-10 Tablet is generally not recommended for elderly patients due to an increased risk of side effects and reduced effectiveness.

FAQs

Kienor CR-10 Tablet is used to treat heavy, painful, or irregular periods, premenstrual syndrome (PMS), and endometriosis. Additionally, Kienor CR-10 Tablet may be used in the treatment of breast cancer.

Kienor CR-10 Tablet contains Norethisterone, a synthetic hormone that mimics the activity of the natural hormone progesterone. Thereby, it restores hormone levels in the body and regulates the growth and shedding of the womb lining. Thus, it helps to treat menstrual disorders.

Kienor CR-10 Tablet may be used to delay periods. Kienor CR-10 Tablet keeps progesterone levels high and prevents shedding of the womb lining. However, please consult a doctor before using Kienor CR-10 Tablet .

Kienor CR-10 Tablet may increase the risk of a blood clot in the veins of the leg, especially if you are overweight, smoke, or have a history of a blood clot in the lungs or veins, repeated miscarriage or have major surgery, serious injury, or systemic lupus erythematosus (autoimmune disease). Therefore, please inform your doctor if you have any of these conditions before taking Kienor CR-10 Tablet .

You are not recommended to take Kienor CR-10 Tablet with rifampicin as it may decrease the levels of Kienor CR-10 Tablet in blood and reduce its effectiveness. However, please consult a doctor before taking Kienor CR-10 Tablet with other medicines.

Country of origin

India
Other Info - KIE0007

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Author Details

Veda MaddalaDoctor badge

Written By

Veda Maddala

M Pharmacy

Dr Aneela SiddabathuniDoctor badge

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Nov 18, 2025 | 7:28 AM IST

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Reference

  1. https://www.medicines.org.uk/emc/files/pil.1494.pdf
  2. https://www.drugs.com/mtm/norethindrone.html

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