Back-Up is a term commonly associated with emergency contraceptive pills, specifically those containing levonorgestrel. These medications are designed to prevent pregnancy after unprotected intercourse or contraceptive failure.
Key Information
- Active Ingredient: Levonorgestrel, typically in a dosage of 1.5 mg per tablet.
- Formulation: Available as a single tablet (1 x 1 tab) for immediate use following unprotected sex.
Indications
Back-Up is primarily indicated for:
- Emergency Contraception: To reduce the chance of pregnancy after unprotected sex or contraceptive failure (e.g., broken condom, missed birth control pill).
Mechanism of Action
- How It Works: Levonorgestrel works by:
- Preventing or delaying ovulation (the release of an egg from the ovary).
- Inhibiting fertilization of an egg by sperm.
- Altering the uterine lining to prevent implantation of a fertilized egg.
Dosage
- Recommended Use: Take one tablet as soon as possible after unprotected intercourse, ideally within 72 hours, but it may be effective up to 5 days after.
Side Effects
Common side effects may include:
- Nausea
- Fatigue
- Headache
- Dizziness
- Breast tenderness
- Changes in menstrual bleeding (earlier, later, or heavier periods)
Warnings and Precautions
- Not for Routine Use: Back-Up is not intended as a regular contraceptive method and should only be used in emergencies.
- Consult Healthcare Provider: If you have a history of ectopic pregnancy or if you are unsure about your risk of pregnancy.
- Not Effective Against STIs: This medication does not protect against sexually transmitted infections (STIs).
Storage
Store Back-Up tablets at room temperature (15° to 30°C), away from moisture and direct sunlight. Keep out of reach of children.
