Norethisterone is commonly prescribed as a treatment to help delay periods in women. It is also effective in helping those that suffer from irregular, painful or heavy periods. By using Norethisterone you can delay your period for up to 17 days. Norethisterone is a part of a group of medicines called Progestogens which affect the uterus by stopping it from bleeding.


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What is Norethisterone?

Norethisterone is a part of a group of medicines called Progestogens. Progestogen is the hormone which regulates the lining of the uterus. Your menstrual cycle is begun by a drop in progestogen levels, which causes the lining of your uterus to begin shedding. By taking Norethisterone, you can increase your levels of Progestogen and maintain them at a regular level to delay the onset of your period.

This medicine is very popular for those planning to go on holiday or those who have big events organised as the taker can delay their period to begin after these have taken place. It is also effective in helping those that suffer from irregular, painful or heavy periods. By using Norethisterone you can delay your period for up to 17 days.

Norethisterone Dosage

Here at Medicine Direct, we sell Norethisterone in the most regulalry prescribed strength of 5mg strength. The amount of dosage required each day will vary in accordance to what the drug is being used to treat.

Norethisterone 5mg

Doctors may advise you to take this strength daily to delay the onset of your period. It may be recommended to take it more than once a day depending on what it is being used to treat.

How to take Norethisterone?

This medicine is to be taken orally between one to three times a day depending on the medical reason for consumption. It can be taken before or after eating. You are advised to swallow the tablet whole with a glass of water.

Please note that if you have diarrhoea or vomit within 2 hours of taking this medicine, you should take another pill as soon as possible. Aim to take it at the same time of day each time.

If you forget your dose do not double up, take the forgotten tablet as soon as you remember and then take your next dose at your next scheduled time.

Once the course of Norethisterone tablets has been completed, your period will usually begin within 2-3 days. If your period does not come, make sure you are not pregnant before beginning to take another course of the medicine.

Below are the guidelines of how to administer Norethisterone in accordance to different requirements:

  • To stop Abnormal bleeding

Doctors will instruct you to take Norethisterone 5mg three times a day for 10 days. Bleeding will usually decrease and then finish within 3 days of taking the first pill. Your period will resume within 4 days of stopping the course of medicine.

  • To delay abnormal bleeding

You should take one 5mg tablet on and between the 19th and 26th days of your expected menstrual cycle.

  • To stop a period

Take Norethisterone 5mg three times a day. For your period to be effectively delayed this course of medicine should be started 3 days before your expected start of period. Once you have finished the course of medicine, your period will begin again in 2-3 days. If you are combining the consumption of Norethisterone with a contraceptive pill you will need to skip the one-week pill break from the contraception and begin taking Norethisterone straight away. Some women may still have spotting when taking contraceptive pills as well as Norethisterone.

  • Contraception

To work as contraception, Norethisterone should be taken as a dosage of 350mg a day, at the same time each day starting on the first day of your cycle. If you miss your pill and the gap is longer than 3 hours before you realise, this will be classed as a ‘missed pill’ and you will need to use other contraception to reduce the potential of pregnancy occurring.

A doctor will recommend that you take one tablet three times a day for 20 days. This should begin on the 5th day of your expected menstrual cycle. Generally, you will be prescribed enough Norethisterone to treat up to 3-4 cycles. After this you should experience an improvement. If you do not, you should return to your doctor for further advice.

You need to tell your doctor if you are effected by any of the following bullet points, as if you have suffered or experienced any of them, then it is not recommended that you should take Norethisterone:

  • Are allergic to the medicine or any of the ingredients listed in it
  • Think you may be pregnant or are pregnant or breastfeeding
  • Suffer with blood circulation difficulties such as a blood clot, deep vein thrombosis, pulmonary embolism, heart attack, stroke or any other areas of your body.
  • Suffered from a prolonged headache (migraine) with distorted vision
  • Liver disease or tumours
  • Diabetes
  • Any type of cancer
  • Genital bleeding
  • Yellowing of skin
  • Itching of whole body during a previous pregnancy

Ensure that you inform your doctor of all medical history and whether you are taking any other medicines before being prescribed Norethisterone so that they can assess whether it will be safe for you to take.

Also please be aware that Norethisterone contain lactose.

Norethisterone Side Effects

As with all medicines, they come with a risk of side effects. Below is a list of side effects of the potential side effects associated specifically with Norethisterone. If you experience any of them and are worried, please contact your doctor or pharmacist. If you exhibit any of the more serious symptoms you must seek medical attention straight away.

  • Migraine or headache
  • Nausea or vomiting or general stomach pains and aching
  • Tender or sore breasts
  • Fluctuation in weight
  • A change in your sex drive
  • Areas of darkened skin
  • Itchiness, acne, rash
  • Experiencing feelings of dizziness, tiredness or low mood/depression, nervousness or confusion
  • Spotting bleeding
  • Problems sleeping
  • A change in stools such as constipation or diarrhoea
  • Dry mouth
  • Blood cloths
  • Disturbance of vision
  • Increase in body hair
  • Increase in fitting if you suffer from epilepsy
  • Liver disease or tumours

In rare cases patients taking Norethisterone can suffer from a severe allergic reaction to the medicine. If you experience any of the warning symptoms you MUST contact an emergency service such as 111 or 999 immediately. The signs of a severe allergic reaction are:

  • Developing a skin rash which is itchy, red, swollen, blistered or peeling
  • Your chest or throat feeling tight. This can also be displayed through wheezing.
  • Experiencing difficulty in breathing or talking
  • Your facial extremities become swollen i.e. you mouth, face, lips, tongue or throat.

How can I buy Norethisterone online in the UK?

If you are a valid UK citizen and have a prescription from a doctor, you will be able to purchase Norethisterone 5mg online in the UK with us, Medicine Direct. If you do not yet have a prescription for Norethisterone, you can fill in one of our health questionnaires which will be reviewed by one of our doctors. After assessing your answers, the doctors will then prescribe you the medicine if they deem it appropriate to do so.

Are Norethisterone tablets safe to take?

As long as you have told your doctor your medical history, your pregnancy status and any other medication you take it should be safe to use on an occasional basis. However, you must note that as with all medicines, you may experience some side effects.

Is Norethisterone used as a contraceptive?

In some cases, and only when recommended by a doctor, it can be used as a progestogen-only contraceptive pill.

Does Norethisterone induce your period or delay it?

When followed correctly, Norethisterone acts to prevent or delay the onset of your period.

Can you buy Norethisterone over the counter in pharmacies or do you need a prescription?

To buy Norethisterone you will need a prescription. You can then purchase the medicine via our online pharmacy. If you do not have a prescription, our doctors will be more than to assess a health questionnaire request for one.

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