Postinor 1 Gedeon used emergency contraception within 72 hours after intercourse (1 tablet)

Dosage form Tablet
Specifications 1 tablet box
Ingredient Levonorgestrel

Ingredient

Thành phần cho 1 viên

Composition information	Content
Levonorgestrel	1.5mg

Uses

indications

POSTINOR 1 Pills are indicated in the following cases:

Emergency contraception, which can be used within 72 hours after intercourse without contraception, or contraceptive methods used ineffective. This contraceptive pills are often called "tablets of the next day".

Pharmacology

Unknown the exact impact mechanism of Postinor 1. According to the recommendation, levonorgestrel is said to have the main effect by preventing ovulation and preventing fertilization if the intercourse occurs at the upcoming stage of ovulation when the highest fertilization is. The drug is not effective if the egg has nest.

Postinor 1 prevents about 84% of expected cases of pregnancy, if used within 72 hours (3 days) after intercourse without contraception. Although the postinor 1 does not prevent conception in all cases, it should be noted that the higher the effect of the drug if you take the medication as soon as possible, right after the intercourse does not use contraception (taking the drug within the first 12 hours, it is better to be late until the 3rd day).

The mechanism of impact of postinor 1 is explained by:

Drugs to stop ovulation;

Prevent fertilization, if the egg has fallen;

Prevent the process of sticking to the uterus wall of fertilized eggs.

Therefore, Postinor 1 prevents pregnancy before this happens. If you are pregnant, the drug has no effect.

pharmacokinetics

No report.

Before taking Postinor 1 Gedeon used emergency contraception within 72 hours after intercourse (1 tablet)

How to use

Take oral use.

Dosage

Take a emergency contraceptive pills , as soon as possible in the first 12 hours and not 72 hours later (3 days) after intercourse without contraception. Take whole tablets and can be taken with water if needed. Do not delay taking medication. The sooner the intercourse, the higher the medication, the higher the efficiency. If you are using a different contraceptive method, such as oral contraceptive, you can still continue this method as usual.

Women who have used enzyme induction drugs for 4 weeks earlier need to use emergency contraception is a method of contraception without hormones, for example, placing an IUD in the uterus. For women who cannot or are not ready to put an IUD in the uterus, they can take double -dose of levonorgestrel (ie 3000 mcg within 72 hours after unsafe intercourse) (see the interaction with drugs and other forms).

Note: The above dose is for reference only. Specific dosage depends on the condition and level of progression of the disease. For a suitable dose, you need to consult a doctor or medical specialist.What do

do when overdose? Overdose can cause nausea, vaginal bleeding. No specific antidote, only symptomatic treatment.

What to do when you forget 1 dose?

Side Effects

When using postinor 1, you may experience unwanted effects (ADR).

The most unwanted effect is reported as nausea after taking the drug. You may also vomit.

Menstrual period may change. Although most women will have a normal menstrual cycle, some people may have early or later menstruation. An abnormal bleeding may also occur or hemorrhage in the next time after taking the drug until the next menstrual period.

You may have breast tightness, headache , lower abdominal pain, diarrhea, dizziness or fatigue after use. These symptoms will decrease after a few days.

The following unwanted effects have been reported, although very rare from after -sales monitoring: abdominal pain, skin redness, urticaria , itching, pelvic pain, dysmenorrhea, facial edema.

Instructions on how to handle ADR

If you notice any other symptoms other than what listed above, consult your doctor, pharmacist, practicing or advice at clinics on family planning.

If you have a late 5 -day menstruation or menstruation more or less than usual, you need to ask for your doctor's opinion as soon as possible.

Warnings

Before using the drug you need to read the instructions carefully and refer to the information below.

contraindicated

Postinor 1 contraindicated in the following cases:

Hypersensitivity to any ingredients of the drug.

People with severe liver disease.

Pregnant women.

Be cautious when using

You can only use postinor 1 when you need to prevent emergency contraception, without using this medication as a regular contraceptive method. If you use the postinor 1 more than once in the same menstrual cycle, your menstruation is more likely to be disturbed. Postinor 1 is not a good choice when you need to prevent regular contraception. When you need a regular contraception, see your doctor, pharmacist, practicing or advice at clinics on family planning to help choose a more appropriate and effective contraceptive method.

If you have vomiting within 3 hours after taking the medication, you need to take 1 more tablet. Meet a doctor, pharmacist, practicing or advice at clinics on family planning for advice on this compensation.

If you are not taking birth control pills regularly, then after taking the postinor 1, you need to use a condom or sperm to kill to prevent pregnancy during the intercourse later, until menstruation. Because Postinor 1 has no contraception for the following intercourse. Three weeks after using Postinor 1, you should see a doctor to be determined to be the effect. If your menstrual period is later than 5 days later, or menstruating more or less, then see a doctor as soon as possible. If you have taken the drug and still get pregnant, it is very important to see the doctor soon.

Doctors may also tell you about contraception more often and more effectively. In case you continue to use contraceptive methods that contain hormones, for example, oral contraceptives, and you do not see menstruation during the time you are taking the pills, you need to see a doctor immediately to be determined to be pregnant or not.

If you are in any of the following conditions, you need to notify your doctor before using the postinor 1 because maybe emergency contraception is not suitable for you. Doctors can help you choose another method of contraception more suitable.

If you are pregnant or think you may have conceived;

You are delayed, or your last menstrual period is not the same as usual;

Since the last period, if you have had an intercourse without contraception, it happens more than 72 hours (because the conception may have occurred, so the treatment will not work);

If you have a certain intestinal disease (for example, disease Crohn ), affecting food digestion;

If there is severe liver failure.

The drug contains 142.5 mg of lactose monohydrate. People with rare genetic diseases in tolerance of galactose, lactose intolerance or ill-abected illness disease should not take this medication.

Postinor 1 is not a regular contraception and is only suitable as an emergency measure. Women need to repeat emergency contraception is recommended to use long -term contraception. Use emergency contraceptive pills without replacement for measures to prevent sexually transmitted diseases.

The ability to drive and operate machinery

There has been no research on the effect of the drug on the ability to drive and operate machinery.

Pregnancy

If you are pregnant, do not use this medication. The drug also does not cause miscarriage. Since the last period, if you have undergone a intercourse without contraception, it has been over 72 hours, then you may have conceived, and so the use of the drug may not bring results.

If your last menstrual period is late for more than 5 days, or menstruation more or less than usual, you need to be checked by your doctor to see if you are pregnant or not.

If you are still pregnant even if you have used this medication, you need to see a doctor. There is no evidence that the postinor 1 will harm the fetus, but the doctor needs to diagnose an ectopic pregnancy that develops in another place, not in the uterus like a vase. Seeing a doctor will be especially important if you feel severe abdominal pain after using postinor 1, or if you have an ectopic pregnancy, fallopian tube or pelvic surgery.

The period of breastfeeding

has a very small amount of active ingredient of the drug that can go into breast milk. This is not considered harmful to the baby, but if you do not feel secure, you can take the medication immediately after breastfeeding and not breastfeed for at least 8 hours. In doing so, the time from you took the medication to feeding after enough to reduce the amount of medicine in the milk that your baby can breastfeed.

Drug interactions

Metabolism of levonorgestrel increases when using simultaneously levonorgestrel with liver enzyme induction drugs, mostly enzyme induction drugs CYP3A4. At the same time, using Efavirenz with levonorgestrel reduces the level of levenorgestrel in plasma by about 50%. Other drugs suspected to reduce the same levonorgestrel concentration in plasma including barbiturat derivatives (including primidon), phenytoin , and carbamazepin , drugs with medicinal origin with hypericum Perforatum (St. John's Wont), rifampicin ritonavir , rifabutin and griseofulvin.

Women who have used enzyme induction drugs for 4 weeks earlier, need to use emergency contraception is a method of contraception without hormones (e.g. placing an IUD in the uterus. levonorgestrel and enzyme induction have not been fully studied.

Postinor 1 can increase the toxicity of cyclosporin (an immune support drug) due to metabolic inhibition of cyclosporin.

Storage

Store in a dry place, temperatures below 30 ° C in the original packaging, avoiding light.

Other drugs

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