Postinor-1 is an emergency contraceptive only. Postinor-1 is not intended as a regular method of contraception. It is used to prevent pregnancy when taken within 72 hours of unprotected intercourse. It is estimated that Postinor-1 will prevent 85% of expected pregnancies. The sooner that you take Postinor-1 after unprotected intercourse, the more likely it is that the medication will work.
Postinor-1 is most effective if taken within 72 hours of unprotected intercourse. But remember that the sooner you take it, the more likely it will prevent pregnancy.
Postinor-1 will not prevent you from catching sexually transmitted diseases. Ask your doctor or pharmacist if you have any questions about why you are taking Postinor-1.
BEFORE YOU TAKE POSTINOR-1
Before you start treatment with Postinor-1, your doctor or pharmacist should:
• Check you are not already pregnant if
he/she suspects you may already have been pregnant before this occurrence of unprotected intercourse
• Ask you if you are taking any other medicines (see Taking other medicines)
• Ask if you suffer from high blood pressure
• Advise you of the need for careful use of a barrier method of contraception until you have your next period
• Advise you to see your doctor in three weeks time, especially if you have not had a period by then
• Discuss the need for regular contraception.
You should consult your doctor before you take it if:
• You have diabetes mellitus (with kidney, eye or nerve damage, or vascular disease) – Diabetes mellitus is a condition in which the body does not produce enough insulin or else the body tissues are not able to use the insulin present. This leads to hyperglycaemia (too much sugar in the blood)
• You have ischaemic heart disease (heart
disease caused by reduced blood flow in the blood vessels of the heart muscle)
You have suffered a stroke
You have had breast cancer
You have severe liver disease.
If any of these conditions apply to you it may not be suitable for you to take Postinor-1
You have a disease of your gastro-intestinal tract (such as Crohn’s disease) that interferes with the digestion and absorption of your food;
You are vomiting or have severe diarrhoea.
If these conditions apply to you your doctor may recommend a higher dose.
When you must not take it
Do not take Postinor-1 if:
You are pregnant
You have previously had
unprotected intercourse more than 72 hours earlier in the same menstrual cycle, as you may already be pregnant
You are experiencing vaginal bleeding for which the reason is not known
You have breast cancer
You are allergic to any of
the ingredients of the tablets (See Product Description below)
The tablets do not look quite right.
Do not take Postinor-1 after the expiry date printed on the pack or if the packaging is torn or shows signs of tampering.
Taking other medicines
Tell your doctor or pharmacist if you are taking any other medicines, including those purchased from a supermarket or health food store. Some medicines may prevent Postinor-1 from working properly or Postinor- 1 may affect the way other medicines work. Examples of medicines which may interfere with Postinor-1 are:
- Medicines used to treat
epilepsy (for example, barbiturates, primidone, phenytoin, and carbamazepine).
- Medicines used to treat tuberculosis (for example, rifampicin, rifabutin).
- A treatment for HIV infection (ritonavir).
- A medicine used to treat fungal infections (griseofulvin).
- Herbal remedies containing St John’s Wort (Hypericum perforatum).
HOW TO TAKE POSTINOR-1
Take the tablet as soon as possible after unprotected intercourse. The sooner that you take the tablet, the more effective the treatment is likely to be. It is best to take it immediately after you
receive it. The tablet should be taken no later than 72 hours after intercourse.
Postinor-1 is not recommended for children. There is only limited information available on Postinor-1 when taken by women aged 14-16 years and no information on its use in younger women or children.
WHILE TAKING POSTINOR-1
If you vomit within 2 hours of taking the tablet you should return to your pharmacy, doctor or clinic as the tablet may not be absorbed and you will need to take an additional tablet.
Things you must do
Tell any doctor or pharmacist who are treating you that you have taken Postinor–1.
Things you must not do
Do not give Postinor-1 to anyone else.
Things to be careful of
If Postinor-1 makes you drowsy or dizzy, do not drive a car or operate machinery.
Tell your doctor or pharmacist as soon as
possible if you do not feel well after you take Postinor-1.
All medicines have side effects. Often they are not serious but sometimes they can be. You may need medical treatment if you get some side effects.
Do not be alarmed by this list of possible side effects.
You may not experience any of them.
Ask your doctor or pharmacist to answer any questions you may have.
Common side effects are tiredness, nausea and vomiting. Some patients have also experienced stomach pain, diarrhoea, dizziness, headache, tender breasts, increased vaginal bleeding and skin reactions.
Other side effects not listed above may also occur in some patients. Tell your doctor or pharmacist if you notice anything that is making you feel unwell.
AFTER TAKING POSTINOR-1
You should see your doctor within 3 weeks of taking Postinor-1.
You may experience spotting or vaginal bleeding earlier than expected.
If you do not get your period within 3 weeks of taking the tablets you must see your doctor, as you may be pregnant. If Postinor-1 does not work, you could be pregnant. Your doctor will order a pregnancy test. If stomach pain is severe you should see your doctor immediately as on rare occasions a tubal pregnancy could occur.
Postinor-1 is only intended as an emergency measure. If you have not already done so you should discuss with your doctor other methods of long term contraception.
You should not breast feed within three days after taking Postinor-1.
If you take too much (Overdose)
Telephone your doctor, or the Poisons Information Centre (13 11 26) if you take too many Postinor-1 tablets, or if a child has taken Postinor-1.
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