Norethisterone Tablets has many uses.
- Delay periods
- Heavy periods
- Painful periods
- Irregular periods or periods that are more frequent than normal
- Premenstrual tension (PMT)
- Endometriosis (where tissue from your womb is found outside your womb)
- Breast cancer
Taking Norethisterone Tablets to delay your periods – You will usually take 1 tablet 3 times (15 mg) a day.
You need to start taking the tablets 3 days before your period is due to start.
Your period will usually start within 3 days of finishing the tablets.
If you do not have a period after you finish a course of Norethisterone Tablets, check with your doctor in case you are pregnant.
If you take more Norethisterone Tablets than you should, contact your doctor straight away.
If you forget to take Norethisterone Tablets Take the tablet as soon as you remember, and carry on taking the tablets at the normal times.
Do not take a double dose to make up for a forgotten dose.
Norethisterone may not be suitable for all women.
Do not take Norethisterone Tablets:
- If you are allergic to norethisterone, or other similar hormone medicines, or any of the other ingredients of this medicine
- If you are pregnant or think you might be pregnant. Your doctor may give you a pregnancy test before starting treatment or if you miss a period during treatment
- If you have now or have ever had any vaginal bleeding (not a period) for which your doctor could not find a cause.
- If you or a member of your family have ever had a problem with blood clots, including deep vein thrombosis (DVT).
- If you have now or have had in the past, a heart attack or angina.
- If you have liver problems.
- If you have ever had a pregnancy where you had jaundice, or an itchy rash known as pemphigoid gestationis.
- If you have severe generalised itching all over your body (pruritis)
- If you have a condition known as porphyria (a rare inherited blood disease).
Warnings and precautions
Talk to your doctor or pharmacist before taking Norethisterone Tablets if you have any of the following conditions. This will help them decide if Norethisterone Tablets is suitable for you:
- Migraine headaches
- Heart problems
- Kidney problems.
Risk of Venous Thromboembolism (VTE) All women have a small chance of having a blood clot in the veins of the leg, in the lung or other part of the body.
The chances of getting a clot are very slightly higher if you are taking a hormone medicine like Norethisterone Tablets.
Possible interactions between other medications and Norethisterone
- Medicines to treat epilepsy (e.g. phenytoin, carbamazepine)
- Antibiotic medicines to treat an infection (e.g. tetracyclines, rifampicin, co-trimoxazole)
- Antiviral medicines to treat HIV (e.g. ritonavir, nelfinavir)
- Anticancer medicines
- Herbal preparations containing St John’s wort (Hypericum perforatum)
- Aminoglutethimide, sometimes used in Cushing’s Syndrome.
- Ciclosporin (for suppressing the immune system)
- Non-steroidal anti-inflammatory drugs (NSAIDs) for treating pain and inflammation
- Medicines for high blood pressure.
Norethisterone Tablets must not be taken if you are pregnant as hormonal medicines can affect the developing baby.
It is important you use some form of contraception (e.g. a condom) while taking Norethisterone Tablets, as it is not a contraceptive.
If you are breast-feeding, ask your doctor for advice before taking this medicine, so they can advise whether you should use an alternative method of feeding your baby.
Like all medicines, this medicine can cause side effects, although not everybody gets them:
- Bleeding and spotting between periods
- Unexpected or unusual vaginal bleeding
- Breast pain and tenderness
- Difficulty sleeping
- Increase in body or facial hair
- Fluid retention and swelling of hands and ankles
- Fluid retention
- Breast Tenderness
- Allergic Reaction
- Itchy skin
- Skin Rash
- Weight gain
For a full list of side-effects read the attached patient information leaflet.
Reporting of side effects If you get any side effects, talk to your doctor, pharmacist or nurse.
You can also report side effects directly via the Yellow Card Scheme at www.mhra.gov.uk/yellowcard.
Yes. Norethisterone is not a contraceptive. You must ensure you are using a robust birth control method to avoid pregnancy
Contraceptive pills are the combined oral contraceptive pill, progestogen only pill (mini pill)
Norethisterone is also not hormone replacement therapy (HRT).
These tablets should not be used for long term control of symptoms such as heavy periods.
Norethisterone is required to be taken THREE times a day. You are also required to take it THREE days before your periods start. Take them at equally spaced out intervals (breakfast, lunchtime and evening).
Norethisterone is safe for most women so long it is used occasionally. There are good reasons NOT to take Norethisterone, see the list on Precautions above.
Having your period can be incredibly inconvenient especially if you’ve got a big occasion around the corner.
For such circumstances, you may wish to delay your period for a short time. Our period delay clinic is discreet and totally convenient,
Simply complete the online questionnaire when purchasing the product, one of our doctors will review your details and prescribe you the treatment. We will then post the item using Royal Mail 24Hour which is our standard Free Delivery service, for guaranteed Next Day Delivery upgrade to Special Delivery.
Norethisterone is a synthetic version of the female hormone progesterone. It mimics the effects of progesterone. A raised progesterone level will prevent the shedding of the womb lining and therefore stop your periods.
This depends on the reason why you are taking them. We sell Norethisterone for Period delay only.
For period delay: 14 days
Your periods will return 2-3 days after you have stopped taking Norethisterone.
You can delay your period whilst on a contraceptive implant such as Implanon or Nexplanon. Please consult your GP before commencing on both treatments.
Norethisterone isn’t suitable for everyone. Do not proceed to payment if the following applies:
- You are pregnant or maybe pregnant
- Unexplained vaginal bleeding
- History of DVT
- Previous history of heart attacks
- Suffer from liver problems
- If you have generalised itching all over your body (pruritis)
- Suffer from Prophyria
- Currently have or previously had cancer