Norethisterone - Everything You Need to Know | Ashcroft Pharmacy UK

Norethisterone - Everything You Need to Know

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Delaying a period, also you can say menstrual manipulation, is when someone tries to postpone their period temporarily. There are several reasons for this, like:

Upcoming event or activity: You might have a vacation, competition, or another event where you'd prefer not to have your period, such as, you may wants to stop period during Hajj and Umrah, or delay period for your Wedding Day.

Painful periods: If you suffer from severe pain or discomfort during your period, you might want to delay it for relief.

Endometriosis (one of the most common conditions linked to female infertility): This condition involves tissue similar to the uterine lining growing outside the uterus, and delaying periods can sometimes help manage its symptoms.

Norethisterone (brand name Utovlan) is a synthetic version of progesterone that is commonly used to postpone menstruation.

If you have painful, heavy, or irregular periods, you may want to consider taking Norethisterone.

Norethisterone is a synthetic version of the hormone progesterone that is used in contraceptive tablets, menopausal hormone therapy, and gynaecological diseases treatment.

Everything you need to know about Norethisterone, including how it works and the negative effects it can cause.

What is Norethisterone, and how does it work?

Menstrual issues such as painful, heavy, or irregular periods, endometriosis, and premenstrual syndrome are treated with Norethisterone 5mg tablets (PMS).

Norethisterone 5mg tablets can also be used to postpone your period if you don't want it to arrive while you're on vacation or competing in a sporting event.

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Is it possible to purchase Norethisterone?

Norethisterone is only accessible with a doctor's prescription, however you can now buy Norethisterone online from Ashcroft Pharmacy if you wish to use it to delay your period.

You will be asked to complete a quick questionnaire, after which one of our doctors will analyse your request and suggest a treatment that is appropriate for you.

What is the mechanism of action of Norethisterone?

Norethisterone is a synthetic form of progesterone, a female sex hormone. It works by simulating the effects of progesterone in your body.

Throughout your monthly menstrual cycle, your progesterone levels normally fluctuate. Your uterine lining thrives as progesterone levels rise, preparing to receive a fertilised egg.

If you do not become pregnant, your hormone levels drop, leading your uterine lining to shed as a period. If you do become pregnant, keep your progesterone levels high to help keep your uterine lining healthy throughout the pregnancy.

Is it possible to stop your period with Norethisterone?

The growth and shedding of the uterine lining can be manipulated or regulated by taking Norethisterone at specific stages during this cycle.

Taking Norethisterone a few days before your period is due, for example, will fool your body into believing you're pregnant, and you won't have a period until you stop taking it.

If you take Norethisterone a few days before your period, your body will believe you're pregnant.

Taking Norethisterone every day if you have endometriosis provides the same effect and prevents the abnormal tissue from changing monthly.

During treatment, your periods are likely to stop, and patches of endometrial tissue may shrink after you stop taking Norethisterone.

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Key Norethisterone facts

Depending on what you're taking it for, your doctor may tell you to take Norethisterone every day or just a few times a month.

  • The 5mg tablets of Norethisterone are not a contraceptive.
  • If you're pregnant, avoid using Norethisterone.

  • To avoid pregnancy while taking Norethisterone, use a non-hormonal means of contraception such as condoms.
  • Headaches, nausea, and changes in your cycle, such as spotting between periods, are the most prevalent side effects.
  • It is safe to consume alcohol while on Norethisterone.

When shouldn't you take Norethisterone

If you have any of the following symptoms, you should not take Norethisterone 5mg tablets:

  • If you're pregnant or suspect you could be.
  • If you're a breastfeeding mother.
  • If you're experiencing unusual vaginal bleeding that your doctor hasn't looked into.
  • If you've had genital or breast cancer in the past (unless you have been prescribed Norethisterone to treat breast cancer).
  • If you've experienced angina, a heart attack, or a stroke due to a blood clot recently.
  • If you have a blood clot in your leg or lungs, you should seek medical attention immediately (thromboembolism, eg deep vein thrombosis or pulmonary embolism).
  • If you have a history of liver cancer or if you have difficulties with your liver.
  • If you've ever experienced jaundice, severe itching, or a blistering skin rash known as pemphigoid gestationis while pregnant.
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What is the best way to take Norethisterone?

Depending on the reason for your use, you can take Norethisterone on specific days of your menstrual cycle or on a continual basis. Always listen to your doctor's advice. The tablets can be taken with or without food.

Norethisterone can be used to postpone your period.

Three days before your menstruation is due, begin taking Norethisterone. For up to 14 days, take one 5mg pill three times a day. After you stop taking the medications, you should start getting your period two to three days later.

Treating heavy periods with Norethisterone.

If you're experiencing heavy, continuous bleeding, your doctor may recommend taking one 5mg tablet three times a day for ten days to stop the bleeding.

Within the first three days, your bleeding should cease, but continue to take the tablets for the whole ten days. If the bleeding does not cease, you should consult a physician.

You should have a period two to four days after you stop taking the medications. Your doctor may recommend that you take Norethisterone for a few days each month if you have heavy periods (menorrhagia).

For example, from day 5 to day 26, take 5mg three times a day. (The first day of your period is day one.) You may be asked to do this for three to six months by your doctor.

Treating uncomfortable periods with Norethisterone.

On days 5 to 24 of your monthly cycle, take one 5mg tablet three times a day. (The first day of your period is day one.) Typically, your doctor will instruct you to do this for three to four months.

Treating endometriosis with Norethisterone.

Starting on day five of your cycle, you'll be instructed to take two 5mg tablets twice a day, every day, for four to six months. During therapy, your bleeding should stop; however, if you experience any spotting, your doctor may raise your dose.

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What happens if you forget to take your Norethisterone?

If you forget to take your Norethisterone dose, take it as soon as you remember, unless your next dose is approaching.

Simply skip the missing dose and resume your regular schedule when your next dose is due. To make up for a missing dose, do not take a double dose.

what happens if you take norethisterone on first day of period?

There are a couple of possible intentions behind someone asking "what happens if you take norethisterone on the first day of your period:

Trying to delay their period: Even though it's not the most effective way, someone might be hoping that taking norethisterone on the first day might still shorten or lighten their period, achieving some delay.

Misinformation or lack of knowledge: They might not be aware of the recommended timing for taking norethisterone for period delay and simply be curious about the effects.

Norethisterone is most effective when taken to delay your period if you start taking it 3 days before your period is due. If you take it on the first day of your period, it likely won't stop your period altogether.

If you take Norethisterone on the first day of your period, you may have a lighter or shorter period than usual. Norethisterone may still influence your hormone levels even if it doesn't completely stop your period.

You may notice spotting (lighter bleeding) that can happen between periods. Norethisterone won't be as effective.

If you want to delay your period for an event or vacation, it's best to take Norethisterone as prescribed, starting 3 days before you expect your period to begin.

Why is it not so effective? Right timing is important: Norethisterone needs time to adjust in the body and impact hormone levels.

Taking it on the first day might not give it enough room to fully counteract the natural hormonal process that triggers the period.

Dosage matters: The suggested dosage for delaying periods is typically three times a day, starting 3 days before menstruation.

In simple, someone taking norethisterone on the first day might be looking for a quick solution to shorten or slightly delay their period. However, it's not the most reliable approach, and there are better options available such as:

Are there any effective alternatives?

There are different type of alternative birth control methods are available at Ashcroft Pharmacy that can effectively shorten or regulate periods,

and some patient may even have the extra benefit of clearing up acne or reducing cramps. Here are a few options to discuss with your doctor:

Combined Oral Contraceptive Pills (COCP):

Dual action formulated birth control pills contain estrogen and progestin and can help regulate your menstrual cycle, making periods shorter and lighter.


Progestin-Only Plls:

This type of pill, also known as the mini-pill, may cause irregular bleeding patterns at first but can eventually lead to shorter or even stopped periods.


The Intrauterine System (IUS): It is a small, T-shaped medical device inserted into the uterus.

  • Releases progestin
  • Highly effective at regulating periods
  • And can significantly shorten or lighten them.

Vaginal Ring: This flexible ring releases progestin into the vagina. Similar to the IUS, it can regulate periods and make them shorter and lighter.

Remember, these are just some options, and the best method for you will depend on your personal health and needs. Talk to your doctor about your concerns, and they can help you find the best way to manage your periods.

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Side effects of Norethisterone

Side effects of Norethisterone that are common.

The following are common adverse effects that affect between 1 in 10 and 1 in 100 women:

  • Changes in your period, such as spotting or breakthrough bleeding, or the cessation of periods.
  • Headache.
  • Feeling of sickness.

Just because a side effect is mentioned here doesn't mean that everyone who takes Norethisterone will experience it.

When do you need to be concerned?

If you experience severe headaches or migraines, stabbing pains or swelling in one leg, pain when breathing or coughing, coughing up blood, breathlessness, sudden chest pain, sudden numbness affecting one side or part of the body, sudden changes in your vision or hearing, or yellowing of your skin or whites of your eyes, stop taking Norethisterone and see a doctor right away (jaundice).

If you want more information about the possible adverse effects of Norethisterone 5mg tablets, read the leaflet that came with your drug or talk to your doctor or pharmacist.

Is it safe to combine Norethisterone with other medications?

Before you start taking Norethisterone, tell your doctor or pharmacist if you're currently taking any medications, including over-the-counter medications and herbal remedies. It is safe to use Norethisterone with pain relievers such as paracetamol, ibuprofen, and aspirin.

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