Norethisterone

Norethisterone
Synonyms: ENT;NET;Norfor; sc4640;Anovule;Gestest
CAS NO. 68-22-4
Molecular Formula: C20H26O2
Molecular Weight: 298.42
Package: according to clients' requirement
Standard: BP2002, EP4
Appearance: Off-White to Pale Yellow Solid
Usage: Progesteron. Norethindrone and acetate in combination with estrogen as contraceptive (oral). It is reasonably anticipated to be a human carcinogen

Description:
Norethisterone is a man-made form of progesterone, a naturally occurring female sex hormone. It is referred to as a progestogen and it has a number of uses. Low doses are used to prevent pregnancy, or as hormone replacement therapy (HRT). Medium-strength tablets such as Primolut N? and Utovlan? are used to treat heavy and painful periods particularly if they are associated with a condition called endometriosis. Higher doses are used in the treatment of some female cancers, such as breast cancer.

This leaflet discusses norethisterone when it is used to treat painful or heavy periods associated with endometriosis. Endometriosis is a condition where tissue which is normally only found inside the womb, becomes 'trapped' in other parts of the body, often in the pelvic area or lower tummy. This causes symptoms such as painful and heavy periods. Treatment aims to reduce the pain and amount of blood loss. Norethisterone can also be considered for heavy periods not associated with endometriosis, although other treatment options are more commonly prescribed for this.

How to take norethisterone
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about norethisterone and will provide you with a full list of the side-effects which you may experience from taking it.
Take norethisterone exactly as your doctor tells you to. You may be asked to take the tablets regularly each day, or to just take them on certain days of your monthly cycle. This information will be printed on the pack of tablets to remind you about what the doctor said to you, but if you are still unsure, you can ask your pharmacist for further advice.
It is common to take one tablet three times each day, although your dose may be different to this. Try to take your doses at the same times of day, as this will help you to take your doses regularly.
Swallow the tablets with a drink of water. You can take norethisterone tablets either before or after meals.
If you forget to take a dose at your usual time, take it as soon as you remember. However, if it is nearly time to take your next dose when you remember, leave out the missed dose but remember to take your next dose when it is due. Do not take two doses together to make up for a forgotten dose.

Getting the most from your treatment
Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress.
You should avoid getting pregnant as norethisterone can affect a developing baby. Use barrier methods of contraception (such as a condom) if you have sex whilst taking norethisterone. If you need further contraceptive advice, speak with your doctor.
If you have diabetes you may need to check your blood glucose more frequently, as norethisterone can affect the levels of sugar in your blood. Your doctor will be able to advise you about this.
If you are due to have an operation or any medical treatment, tell the person carrying out the treatment that you are taking norethisterone.

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