Postinor 2 is an emergency contraceptive pill containing 1.5 mg of levonorgestrel. This medication prevents unintended pregnancy after unprotected intercourse or contraceptive failure when taken promptly. It is not intended for regular contraception but serves as an effective backup option.
Uses
Postinor 2 is used as an emergency contraceptive after unprotected sexual intercourse, contraceptive failure (such as condom breakage or missed birth control pills), or concerns about contraceptive effectiveness. It provides a crucial second chance to prevent unplanned pregnancy in urgent situations.
Benefits
- Highly effective when taken within 72 hours of unprotected sex
- Single-dose administration for convenient use
- Non-prescription availability in many countries
- Decreases pregnancy risk by 85-89% when used correctly
- Does not interfere with existing pregnancy
- No serious long-term side effects
- Returns fertility to normal immediately after use
- Can be used by most women of reproductive age
- Available without age restrictions in many regions
How It Works
Postinor 2 works primarily by preventing or delaying ovulation through its active ingredient levonorgestrel, a synthetic progestin hormone. It may also thicken cervical mucus to inhibit sperm movement and alter the uterine lining, making implantation less likely. It does not terminate an existing pregnancy.
Dosage
| Timing After Intercourse | Recommended Dose | Effectiveness |
|---|---|---|
| Within 24 hours | 2 tablet (1.5 mg) | 95% effective |
| 24-48 hours | 2 tablet (1.5 mg) | 85% effective |
| 48-72 hours | 2 tablet (1.5 mg) | 58% effective |
Take one tablet orally as soon as possible after unprotected sex, with or without food.
Duration of Action
Postinor 2 acts immediately upon ingestion. Its protective effect covers the unprotected intercourse that occurred within the previous 72 hours. The medication remains active in the body for approximately 24 hours, though its effectiveness decreases with time after intercourse.
Side Effects
Common side effects include nausea, abdominal pain, fatigue, headache, dizziness, breast tenderness, and temporary menstrual irregularities. Most effects are mild and resolve within 24-48 hours. Vomiting within 2 hours of taking the pill may require a replacement dose.
Warning
Postinor 2 is not effective if taken after pregnancy has occurred. It is not intended for regular contraception and offers no protection against sexually transmitted infections. Seek immediate medical attention for severe abdominal pain, as this could indicate ectopic pregnancy.
Pregnancy and Breastfeeding
Postinor 2 will not harm an existing pregnancy but should not be taken if pregnancy is confirmed. It is not known to cause birth defects. Breastfeeding women can use Postinor 2, though they may wish to postpone nursing for 8 hours after taking the pill.
Interaction
- May have reduced effectiveness with certain anticonvulsants
- Possible interactions with some HIV medications
- Effectiveness may be reduced by St. John’s Wort
- Possible altered effectiveness when taken with certain antibiotics
- May interact with medications that affect liver enzymes
Precaution
Consult a healthcare professional before taking Postinor 2 if you have severe liver problems, history of ectopic pregnancy, or severe digestive conditions. If you vomit within 2 hours of taking the pill, contact a healthcare provider about taking another dose. Regular menstruation should resume within 3-7 days of expected time.
Important Information
Postinor 2 is for emergency use only and not intended as regular contraception. Establish a reliable form of birth control after using this medication. A pregnancy test is recommended if your period is delayed by more than one week. Consider STI testing if you had unprotected intercourse. Store at room temperature away from moisture and light.
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