金毓婷, 左炔诺孕酮片, Levonorgestrel Tablets, Emergency Contraceptive Pill, 2 tablets/box

Medicine Name
Levonorgestrel Tablet
Zuo Quenuo Yuntong Pian

Ingredients
The optically active portion of levonorgestrel, which has twice the activity of norgestrel, allowing for a half dose with correspondingly reduced adverse effects. It is a widely used oral contraceptive.

Description
This product is a white tablet.

Indications
For emergency contraception in women, specifically when unprotected sexual intercourse has occurred or when other contraceptive methods have failed.

Dosage and Administration
Take one tablet as soon as possible within 72 hours after unprotected sexual intercourse or contraceptive failure. The sooner it is taken, the better the effect in preventing pregnancy.

Adverse Reactions

1. Menstrual changes may be observed, most commonly manifesting as advanced or delayed menstruation in the month of administration.
2. Mild nausea, vomiting, breast tenderness, headache, dizziness, and fatigue may occur. These symptoms generally resolve within 24 hours and do not require treatment. If symptoms are severe or persist, consult a physician.
3. Abnormal uterine bleeding may occur. If bleeding does not resolve spontaneously, seek medical attention promptly to rule out ectopic pregnancy.

Contraindications

1. Prohibited in individuals with known or suspected pregnancy.
2. Contraindicated in patients with breast cancer, genital cancer, abnormal liver function or a history of liver disease or jaundice within the recent past, venous thromboembolism, cerebrovascular accident, hypertension, cardiovascular disease, diabetes, hyperlipidemia, mental depression, and in women over 40 years of age.

Precautions

1. This product is an emergency contraceptive for contraceptive failure and is not an abortifacient.
2. It should not be used as a regular contraceptive method. Reliable contraceptive measures should be taken from the time of administration until the next menstrual period.
3. If vomiting occurs within 2 hours after administration, take an additional tablet immediately.
4. Menstruation may be advanced or delayed after taking this product. If menstruation does not occur within one week of the expected date, consult a physician immediately to rule out pregnancy.
5. If irregular uterine bleeding or severe lower abdominal pain occurs 3-5 weeks after administration, seek medical attention promptly to rule out ectopic pregnancy.
6. This product is for use in individuals over 17 years of age. Consult a physician if use is considered for individuals under 17.
7. Lactating women should suspend breastfeeding for at least 3 days after taking this product and express milk regularly during this period.
8. Prohibited in individuals with allergies to this product. Use with caution in individuals with allergic constitution.
9. Do not use if the physical appearance of the product has changed.
10. Keep this product out of the reach of children.
11. Consult a physician or pharmacist before using this product if other medications are being taken.

Special Populations
Children: [No specific information provided]
Pregnancy and Lactation: Prohibited in pregnant and lactating women.
Elderly: [No specific information provided]

Drug Interactions
Consult a physician or pharmacist before using this product if other medications, especially phenobarbital, phenytoin, rifampin, carbamazepine, macrolide antibiotics, imidazole antifungals, cimetidine, and antiviral drugs, are being taken.

Pharmacological Action
This product is a rapid-acting, short-acting contraceptive that works by inhibiting ovulation, preventing fertilization, increasing cervical mucus viscosity, and increasing resistance to sperm penetration, thereby exerting a rapid contraceptive effect.

Storage
Store in a light-protected, sealed container.

Specification
1.5 mg

Packaging Specification
Aluminum-plastic packaging, with 1 tablet per board and 2 boards per box.

Expiration
60 months.