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Norethisterone 5mg Tablets

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Norethisterone is a prescription medication used to safely delay your period for up to 17 days. It works by mimicking the hormone progesterone, which helps maintain the lining of the womb, thus postponing menstruation. Norethisterone is often used by women who want to delay their period for events like holidays or special occasions.

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Norethisterone 5mg Tablets
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Overview

Active ingredients

What is it for?

How does it work?

How do you use it?

Warnings and precautions

Side effects

Drug interactions

FAQs

Download patent leaflet

Written By
Shazlee Ahsan
BSc Pharmacy, Independent Prescriber, PgDip Endocrinology, MSc Endocrinology, PgDip Infectious Diseases

Superintendant Pharmacist, Independent Prescriber


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What is Norethisterone?

Norethisterone Tablets are a type of medication known as ‘Progestogens,’ which are similar to the natural female hormone progesterone. The active ingredient in these tablets is norethisterone, a synthetic form of progestogen. Norethisterone Tablets can be used for several purposes, including:

  • Managing heavy periods
  • Easing painful periods
  • Regulating irregular or frequent periods
  • Treating premenstrual tension (PMT)
  • Managing endometriosis (a condition where tissue similar to the womb lining grows outside the womb)
  • Treating breast cancer

Your doctor may also prescribe Norethisterone Tablets if you wish to delay your period. You can order them online from courierpharmacy.co.uk after completing a simple consultation form.

What is the Active Ingredient in Norethisterone?

The active ingredient in Norethisterone is norethisterone. Each tablet contains 5mg of this active substance. You can purchase Norethisterone online from courierpharmacy.co.uk after completing an online consultation form.

What is Norethisterone Used For?

Norethisterone is commonly used as a safe and effective way to delay your period when it’s inconvenient. It can help postpone your period for:

  • Up to 7 days with 1 pack (30 tablets)
  • Up to 17 days with 2 packs (60 tablets)

However, it’s essential not to use Norethisterone to delay your period for more than 17 days without consulting your GP in person. You should not use it more than every 4 months for period delay, and it is not available for over-the-counter purchase.

Originally sold under the brand name Utovlan, Norethisterone is now available as a generic treatment after the patent expired.

Norethisterone is also found in some contraceptive pills and hormone replacement therapies for menopause. However, it should not be used for hormone replacement, and it does not offer contraceptive protection. While taking Norethisterone to delay your period, continue using your usual contraceptive method.

You can purchase Norethisterone tablets online from courierpharmacy.co.uk after completing an online consultation form.

How Does Norethisterone Work?

Regulating the Menstrual Cycle
Norethisterone works by maintaining high levels of synthetic progesterone in the body. Normally, progesterone levels rise after ovulation to prepare the womb lining for a potential pregnancy. If pregnancy doesn’t occur, progesterone levels drop, leading to menstruation. Norethisterone prevents this drop, delaying your period until you stop taking the tablets.

Managing Menstrual Disorders
Norethisterone can help manage conditions like heavy, painful, or irregular periods by regulating hormone levels and controlling the womb lining’s development and shedding.

Treating Endometriosis
For women with endometriosis, Norethisterone helps reduce the growth of tissue outside the womb, easing pain and discomfort related to the condition.

Premenstrual Tension (PMT)
By stabilizing hormone levels, Norethisterone can reduce symptoms of PMT, such as mood swings, bloating, and irritability.

In summary, Norethisterone works by stabilizing progesterone levels in the body, helping to manage various menstrual-related issues.

You can buy Norethisterone online from courierpharmacy.co.uk after completing the online consultation form.

How to Use Norethisterone

Always follow the instructions given by your doctor when using Norethisterone. If you are unsure about how to take the medication, speak with your doctor for guidance. The dosage can vary depending on the condition being treated. You can also find this information on the tablet packaging. Below is a general guide to the typical doses for different conditions:

For Heavy Bleeding and Menstrual Issues

  • Take 1 tablet (5 mg) three times a day (15 mg total) for 10 days.
  • After stopping the tablets, you will usually experience bleeding similar to a period.
  • To prevent future problems with your periods, your doctor may recommend taking Norethisterone for a few days after your next two periods. This would typically involve taking 1 tablet twice a day (10 mg total) for 8 days, starting 19 days after your last period began.

For Premenstrual Tension (PMT)

  • The usual dose is 1 tablet (5 mg) once a day for 10 days, starting 16 days after your last period began.

Stopping Norethisterone
If you stop taking Norethisterone, your period should begin within 2-3 days.

If you have any questions or concerns about using Norethisterone, consult your doctor or pharmacist.

Summary
To delay your period, take Norethisterone three times daily, starting three days before your period is due. Continue taking it until you wish for your period to start. Once you stop the tablets, your period should begin within two to three days. Do not take Norethisterone if you are pregnant. There are no specific dietary restrictions, and the effectiveness of Norethisterone is not affected by food or alcohol.

You can purchase Norethisterone online from courierpharmacy.co.uk after completing the online consultation form.

Who Should Not Take Norethisterone?

You should avoid taking Norethisterone Tablets if:

  • You are allergic to norethisterone, similar hormone medications, or any of the ingredients in the medicine.
  • You are pregnant or suspect you might be pregnant. Your doctor may conduct a pregnancy test before starting treatment or if you miss a period during treatment.
  • You have unexplained vaginal bleeding (not related to your menstrual period).
  • You or a close family member have a history of blood clots, such as deep vein thrombosis (DVT).
  • You have had a heart attack, angina, or liver issues.
  • You have experienced jaundice, a particular rash during pregnancy, or severe itching (pruritus).
  • You have porphyria, a rare inherited blood disorder.

Warnings and Precautions:

Before taking Norethisterone Tablets, speak to your doctor or pharmacist if you have:

  • Epilepsy
  • Migraine headaches
  • Asthma
  • Heart or kidney problems

Risk of Venous Thromboembolism (VTE):

There is a small risk of blood clots with hormone medications like Norethisterone. You may be at higher risk if you:

  • Are very overweight
  • Have systemic lupus erythematosus (SLE, an autoimmune condition)
  • Have had blood clots in the past or have relatives with a history of blood clots
  • Are immobile for long periods (e.g., after surgery)
  • Have had major surgery or serious injuries
  • Have a history of recurrent miscarriage

Make sure to inform your doctor if you have recently had surgery or plan to have surgery while taking Norethisterone.

Pregnancy, Breast-feeding, and Fertility:

  • Pregnancy: Do not take Norethisterone if you are pregnant. Hormonal treatments can affect the developing baby. Use contraception while taking this medicine.
  • Breast-feeding: Consult your doctor if you are breast-feeding, as an alternative feeding method may be necessary.

Driving and Using Machines:

Norethisterone does not affect your ability to drive or operate machinery.

Lactose Content:

Norethisterone Tablets contain lactose. If you are intolerant to certain sugars, speak to your doctor before using this medication.

You can purchase Norethisterone online from courierpharmacy.co.uk after completing an online consultation form.

What Are the Side Effects of Norethisterone?

Like all medications, Norethisterone Tablets may cause side effects, but not everyone will experience them.

When to Stop Taking Norethisterone Immediately

In very rare cases, Norethisterone Tablets can cause a severe allergic reaction, which can be life-threatening. If you experience any of the following, get emergency medical help:

  • Wheezing
  • Difficulty breathing
  • Feeling faint
  • Swelling of the face, tongue, or throat
  • Swelling of the hands or feet
  • Severe itchy skin rash

Also, be aware of signs of blood clots (thrombosis) that require urgent medical attention, including:

Blood Clot in the Lungs:

  • Sudden, severe chest pain
  • Coughing up blood
  • Shortness of breath
  • Rapid heartbeat

Blood Clot in the Brain (Stroke):

  • Severe or long-lasting headache
  • Vision problems
  • Trouble speaking
  • Fainting or collapse
  • Weakness or numbness anywhere in the body

Deep Vein Thrombosis (DVT):

  • Pain, tenderness, or swelling in the calf, ankle, or foot
  • Purple or red discoloration and warmth in the leg

If you notice any of these, stop taking Norethisterone and contact your doctor immediately.

When to Seek Medical Advice

Contact your doctor immediately if you experience:

  • Yellowing of the skin or eyes (jaundice)
  • A new migraine headache

Your doctor may also stop the treatment if your blood pressure rises too much.

Other Possible Side Effects

You may also experience:

Reproductive System and Breasts:

  • Spotting or bleeding between periods
  • Missing periods (amenorrhea)
  • Unusual vaginal bleeding
  • Changes in cervical discharge
  • Cervical changes (seen during smear tests)
  • Breast pain or tenderness
  • Milky breast discharge when not pregnant or breastfeeding

Nervous System:

  • Headache
  • Depression
  • Dizziness
  • Fatigue
  • Insomnia
  • Confusion
  • Nervousness or euphoria
  • Drowsiness
  • Difficulty concentrating
  • Vision problems

Digestive System:

  • Nausea or vomiting
  • Constipation or diarrhea
  • Dry mouth

Liver:

  • Impaired liver function
  • Yellowing of the skin or eyes

Metabolism:

  • Altered blood fat levels
  • Blood sugar changes, worsening diabetes
  • Decreased glucose tolerance
  • Fine hand tremors
  • Changes in adrenal glands (e.g., Cushingoid syndrome)
  • Cloudy vision
  • Sugar in urine

Heart and Circulation:

  • Blood clots (including in the lungs)
  • Swelling in veins due to blood clots
  • Stroke or heart attack
  • Congestive heart failure
  • Increased blood pressure
  • Palpitations or rapid heartbeat
  • Vision problems from retinal blood clots

Skin and Hair:

  • Acne
  • Excess facial or body hair
  • Hair loss
  • Itching or rash
  • Hives

Miscellaneous:

  • Fluid retention and swelling
  • Bloating and weight gain
  • Increased body temperature
  • Changes in appetite or sex drive
  • High calcium levels (detected in blood tests)

Reporting Side Effects

If you experience any side effects, inform your doctor, pharmacist, or nurse. This includes side effects not listed here. You can also report side effects via the Yellow Card Scheme at www.mhra.gov.uk/yellowcard or by searching for "MHRA Yellow Card" in the Google Play or Apple App Store. Reporting side effects helps gather more information about the safety of this medicine.

You can buy Norethisterone online from courierpharmacy.co.uk after completing an online consultation form.

Does Norethisterone Interact with Other Medicines?

It is important to tell your doctor or pharmacist about any other medications you are taking, have recently taken, or may take in the future. Certain medications can affect how well Norethisterone Tablets work, including:

Medications that may interact with Norethisterone:

  • Epilepsy treatments (e.g., phenytoin, carbamazepine)
  • Antibiotics for infections (e.g., tetracyclines, rifampicin, co-trimoxazole)
  • Antiviral medicines for HIV (e.g., ritonavir, nelfinavir)
  • Cancer treatments
  • Herbal supplements containing St John’s Wort (Hypericum perforatum)
  • Aminoglutethimide, used for Cushing’s Syndrome
  • Ciclosporin, used for immune system suppression
  • NSAIDs (Non-steroidal anti-inflammatory drugs) for pain and inflammation
  • Medications for high blood pressure

Norethisterone Tablets may also affect some laboratory tests, so make sure to tell your doctor if you are having blood tests or any hospital investigations.

Also, inform your doctor or pharmacist if you are taking any other medicines not listed above, including over-the-counter products.

You can buy Norethisterone online from courierpharmacy.co.uk after completing an online consultation form.

Norethisterone FAQs

What is Norethisterone?

Norethisterone is a synthetic form of progesterone, a natural hormone in women that helps maintain the lining of the womb. Normally, progesterone levels drop before a period starts, but Norethisterone helps maintain the lining, allowing you to delay your period until the tablets are stopped.

What is Norethisterone Used For?

Norethisterone is primarily used to safely delay your period for up to 17 days when it would otherwise be inconvenient. You can buy Norethisterone period delay tablets online from courierpharmacy.co.uk after completing an online consultation form. It is available in the following options:

  • 1 pack (30 tablets) for up to 7 days of period delay
  • 2 packs (60 tablets) for up to 17 days of period delay

Do not use Norethisterone to delay your period for more than 17 days without consulting your GP. It should not be used more frequently than once every 4 months and cannot be purchased over the counter. Originally marketed as Utovlan, Norethisterone is now available as a generic after the Utovlan patent expired. It is also used in some contraceptive pills and hormone replacement therapies, but it does not provide contraceptive protection and should not be used for hormone replacement therapy or emergency contraception. Continue using your usual contraception while taking Norethisterone.

How Do I Take Norethisterone?

Take one Norethisterone tablet three times a day, starting three days before your period is due, and continue taking it until you want your period to begin again. Your period should typically start within two to three days after stopping the tablets. Do not take Norethisterone if you are pregnant. Food and alcohol do not affect its absorption or effectiveness.

How Can I Delay My Period?

There are no non-medical methods for delaying your period. If you are on the combined contraceptive pill, you may delay your period by running two packs together without the usual break. However, if you're not on the pill, Norethisterone is your best option. It should not be used by women who already take the pill to delay their period. Always consult your GP before using Norethisterone for period delay.

How to Stop Your Period with Norethisterone

To delay your period, take one tablet three times a day, starting three days before your period is due. Continue until you wish your period to begin again. Your period should occur within two to three days after stopping the tablets. Do not use Norethisterone to stop a period that has already started.

If you miss a dose, take it as soon as you remember, unless it’s almost time for your next dose, in which case skip the missed dose. Missing a dose may cause light bleeding or spotting, so it’s a good idea to keep panty liners on hand.

Ingredients in Norethisterone Period Delay Pills

Each tablet contains 5mg of Norethisterone. Other ingredients include lactose, maize starch, and magnesium stearate.

What Are the Side Effects of Norethisterone?

Please read the patient information leaflet that comes with your Norethisterone tablets for a full list of potential side effects. Stop taking the tablets and seek medical advice immediately if you experience a significant rise in blood pressure, jaundice (yellowing of the skin or eyes), or migraines.

For any side effects, reach out to a healthcare professional via your online account or call us. For emergencies, contact emergency services or visit your nearest A&E.

Warnings and Precautions for Norethisterone

Norethisterone should not be taken if you are on any of the following medications:

  • Aminoglutethimide
  • Ampicillin
  • Carbamazepine
  • Ciclosporin
  • Co-trimoxazole
  • Efavirenz
  • Nelfinavir
  • Nevirapine
  • Oxacillin
  • Phenobarbital
  • Phenytoin
  • Rifabutin
  • Rifampin
  • Ritonavir

These interactions will be checked during your online consultation. Please consult the patient information leaflet for additional details.

Seek immediate medical attention if you experience:

  • Swelling of the face or wheezing (possible severe allergic reaction)
  • Thrombosis (blood clot in the leg or lungs)
  • Yellowing of the skin or eyes (jaundice)
  • Migraine
  • A significant rise in blood pressure or persistent headaches

You can purchase Norethisterone online from courierpharmacy.co.uk after completing your online consultation.

Download patient leaflet

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

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Written By
Shazlee Ahsan
BSc Pharmacy, Independent Prescriber, PgDip Endocrinology, MSc Endocrinology, PgDip Infectious Diseases

Superintendant Pharmacist, Independent Prescriber


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