- Postinor - means of emergency contraception
- Mechanism of action
Postinor - a drug used to prevent pregnancy when other means of contraception have failed (eg the condom broke) or after unprotected sex. Therefore postinor referred to as emergency contraception.
The active ingredient in the composition of Postinor is levonorgestrel. It prevents fertilization or implantation of a fertilized egg in the uterine wall. With the help of this drug can not be interrupted as pregnancy or protect against sexually transmitted diseases (STDs). Postinor is not recommended for the prevention of unwanted pregnancy on a regular basis, as an alternative to other means of contraception.
Mode of application
One package contains two pills Postinor; One tablet should be taken as soon as possible after intercourse, and the second - twelve hours after the first tablet. In some cases, doctors recommend taking two tablets at once.
Postinor can be taken with food or not - it does not affect its effectiveness. The drug works most effectively if you take it within 72 hours (three days) after unprotected sex. If the patient vomited within one hour after taking the first or the second tablet, you need to call your doctor, describe the situation and find out whether you need to take another dose.
After receiving the monthly Postinor often begin a little later or earlier than expected deadline, however, it is necessary to seek medical advice if they are late more than seven days.
Side effects
Side effects of Postinor may be nausea, vomiting, abdominal pain, weakness, dizziness, chest pain, diarrhea, headache
Headache
, Changing the nature of her menstrual bleeding (for example, it may be more or less abundant than usual). If any of the side effects persist for a long time or is aggravated, it is necessary as soon as possible to talk about this with your doctor. Seek immediate medical attention if after taking Postinor you feel severe pain in the abdomen, or if you have any signs of such a serious allergic reaction, rash
Rash: Classification - primary and secondary elements
Itching, swelling (especially of the face, tongue, throat), severe dizziness, trouble breathing. Postinor rarely causes severe allergies, but if it does happen, the consequences of allergic reactions can be very heavy.
Safety measures
Although postinor can be bought without a prescription and take on their own initiative, to patients who have previously had an allergic reaction to any medication, it is strongly recommended to consult with your doctor before using emergency contraception. Consultation is also required for those who have, there are diseases such as diabetes and migraine
Migraine
And patients who suspect that they might be pregnant.
Since postinor may cause dizziness, within days after his admission is not recommended to drive any vehicles or operate machinery, which is potentially dangerous for the patient itself, or to other people. It is also necessary to limit the consumption of alcoholic beverages, and it is better - to opt out of them at least a few days.
Patients suffering from diabetes, after taking Postinor should be carefully monitored for changes in blood sugar levels, as levonorgestrel may affect the effectiveness of anti-diabetic drugs.
Breastfeeding women before taking Postinor, it is necessary to consult a doctor - although there has not been established that this drug poses a risk to infants, it does not mean that it is completely harmless to them.
Drug Interactions
Postinor may interact with drugs such as amprenavir, medicines that affect the liver enzymes that excrete levonorgestrel (e.g., bosentan, modafinil, nevirapine, HIV protease inhibitors including ritonavir, griseofulvin, rifamycins rifabutin, Hypericum, some antiepileptic drugs , phenytoin, phenobarbital), troleandomycin. If you are taking any of these medications before using Postinor consult your doctor - at least on the phone. Postinor in any case can not be used in conjunction with medication, which include tetradecyl sulfate - a reaction that begins when it interacts with levonorgestrel, can be extremely dangerous to the health of the patient.
Overdose
Since postinor sold in packages that contain only two tablets of the drug overdoses are rare. Even if the patient will take both pills at the same time, nothing bad will happen; Moreover, many experts recommend is a method of using Postinor, as is often the case that women forget to take a second tablet after twelve o'clock. However, if the overdose has occurred yet, seek immediate medical attention. The main sign of overdose Postinor is vomiting, do not stop for an hour or more.
What if you forget to take postinor time?
If you forget to take a second pill Postinor twelve hours, call your doctor. If you do not have time to take postinor within three days after unprotected sex, through a period of Postinor is almost useless; you should be examined by a gynecologist, so he found a pregnancy or not.
Read more
→
Mechanism of action
Related Articles
Methods of contraception: what to choose
Pharmatex - prevents pregnancy, but not always
The effectiveness of contraceptive methods - comparative analysis
Birth control pills - how effective are they?
- The tone of the uterus - the most important indicator for pregnant women
-
|
|
- Sex during pregnancy: if you really want
-
|
|