Norethisterone

Norethisterone
  • Norethisterone

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Norethisterone

Save 24%From£9.49 Was £12.49
  • Medication features

    • Available in one strength
    • Tablets to delay period for a maximum of 17 days
    • Norethisterone to be taken 3 days before the expected period, 3 times a day

Overview

NOTE: After selecting this product, you will need to complete a short assessment, so we can make sure this medication is suitable for you.

Norethisterone is a synthetic hormone made to imitate progesterone, which is a natural hormone in the body. Norethisterone Tablets for Period Delay come in 5mg doses and are mainly used to delay periods for up to 17 days. It also has other uses such as treatment of breast cancer or endometriosis. Norethisterone is not a form of contraception and it will not prevent pregnancy. It is also not suitable for women that are pregnant or breastfeeding.

How does Norethisterone work?

Norethisterone comes in 5mg tablets and can help menstrual delay when taken as one tablet 3 times a day to delay periods. It is important that you are able to predict when your period is due as you should start taking Norethisterone 3 days before you are due to start your period. The period delaying tablets should be continued for as long as needed. After stopping taking Norethisterone, you should experience a period bleed within 2 to 3 days, however this could be slightly longer.

Norethisterone and the contraceptive pill

If you are currently taking a contraceptive pill, you should not use norethisterone to delay your period.

If you are taking a combined contraceptive pill such as microgynon, you can delay your period by taking 2 months of your combined pill back to back, ensuring that you do not take your 7 day pill-free break or your placebo/inactive pills. This form of period delay will not work with the progesterone only pill (the mini-pill), such as cerazette.

Norethisterone is NOT a contraceptive and it will NOT prevent pregnancy.

How long can I take Norethisterone for?

We can provide you with a maximum of 60 tablets, which will delay your period for 17 days. If you need to delay your period for less than 17 days, fewer tablets will be required. Norethisterone should only be requested once every 4 months if that, as it is designed to only be taken occasionally. If you require it more frequently or need your period delayed for more than 17 days, you should consult your GP.

Cautions and Warnings

The risk of blood clots in the veins or legs is increased when taking Norethisterone. This risk is further increased if you are overweight, have a history of previous blood clots, have a family history of blood clots, have been immobile for long periods of time such as after an operation or a long haul flight, have suffered serious injury, have had major surgery or have a history of miscarriages. If you take any of the following medications, you should consult your GP before taking Norethisterone as they might interact:

-Epilepsy medication (e.g. phenytoin, carbamazepine)

-Antibiotics (e.g. rifampicin, co-trimoxazole)

-HIV antiviral medication (e.g. ritonavir, nelfinavir)

-Cancer treatment medications

-Herbal remedies containing St John’s Wort

-Aminoglutethimide (used in Cushing’s syndrome)

-Immunosuppressants (e.g. ciclosporin)

-Non-steroidal anti-inflammatory drugs (NSAIDs) (e.g. Ibuprofen, aspirin, naproxen)

-High blood pressure medications

 

References:

https://www.medicines.org.uk/emc/product/1494/smpc#gref

https://www.medicines.org.uk/emc/files/pil.1494.pdf

https://www.nhs.uk/common-health-questions/travel-health/how-can-i-delay-my-period/

https://bnf.nice.org.uk/drug/norethisterone.html

Directions

Norethisterone directions and dosage to delay periods.

Swallow the tablet whole with water, do not crush or chew the tablet.

Norethisterone should not be used as a contraceptive, it will not prevent pregnancy.

Dosage

Take one tablet 3 times a day. Start taking the tablets 3 days before your period is due and continue taking until period delay is no longer required. They should be taken for a maximum of 20 days (17 days of period delay).

FAQ

  • What is Norethisterone?

    Norethisterone is a man-made hormone designed to mimic the effects of progesterone, which is a naturally occurring hormone in the body. It is taken to delay your period.

  • How does Norethisterone work?

    Norethisterone mimics progesterone and so keeps the progesterone levels in the body high, which prevents the womb lining from shedding, which, in turn, delays your period.

  • How do I take Norethisterone?

    One period delay tablet should be taken 3 times a day. You should start taking Period Delay Pill Norethisterone 3 days before your period is due to start. Continue taking Norethisterone until you no longer require your period to be delayed. Once you stop taking Norethisterone, your period should start in 2 to 3 days. Norethisterone should be taken for a maximum of 20 days, which is 17 days of period delay.

  • When will my period start again?

    Once you stop taking Norethisterone, your period should start again in 2-3 days.

  • Can I use Norethisterone to stop heavy periods?

    No. Norethisterone should only be used to delay your period, it will have no effect on the heaviness of it. If you are suffering with heavy periods you should consult your GP.

  • Will Norethisterone prevent pregnancy?

    No. Norethisterone is not a contraceptive and you are still able to get pregnant whilst taking Norethisterone. To avoid pregnancy you should use birth control such as an oral contraceptive pill.

  • What Happens if I take Norethisterone too late?

    Starting to take Norethisterone less than three days before your period is due to start greatly increases the chance of spotting.

  • What if I take too many tablets of Norethisterone?

    There have been no reports of serious side effects of taking too many tablets at once. You should still consult your GP for advice after taking too many tablets.

Side Effects

Side Effects

Norethisterone is generally a well-tolerated medication by most women, however some people may still experience side effects. You are more likely to suffer from side effects if you use Norethisterone long term. Possible side effects include:

-Bleeding or spotting between periods

-Unusual vaginal bleeding or vaginal discharge

-Breast tenderness

-Bloating

-Dizziness

-Confusion

-Nausea and vomiting

-Constipation

-Diarrhoea

-Fatigue

-Visual disturbances

-Dry mouth

-Liver problems, which lead to jaundice (yellowing of the skin)

-Fluid retention, which worsens migraine

-Changes in appetite

-Decrease in sex drive

-Norethisterone can RARELY cause severe allergic reactions, which can be fatal. If you experience any of the following side effects you must stop taking Norethisterone immediately and seek urgent medical attention:

-Itchy and intense skin rash

-Difficulty breathing

-Wheezing

-Feeling faint

-Swelling of the tongue or face

-Swelling of the hands and feet

-Taking Norethisterone can increase your risk of a blood clot. If you experience symptoms of blood clotting you must stop taking Norethisterone immediately and seek urgent medical attention, such as going to A+E. Symptoms of a blood clot include:

-Coughing up blood

-Swollen leg, calf or foot

-Shortness of breath

-Sharp pain in the chest

Do not ignore these symptoms.

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