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Drug Details

Levonorgestrel, commonly known as Plan B One-Step, is an emergency contraceptive designed for use by women to prevent pregnancy following unprotected sex or contraceptive failure, such as a broken condom. This medication must be taken within 72 hours of the incident and is not intended for regular contraceptive use. It is important to note that Levonorgestrel will not terminate an existing pregnancy nor will it offer protection against sexually transmitted infections, including HIV, gonorrhea, and chlamydia. Levonorgestrel works by temporarily halting the release of an egg from the ovaries, making it harder for sperm to reach the uterus and preventing a fertilized egg from attaching to the uterine wall. However, its effectiveness may be reduced in women who weigh more than 164 pounds (74 kilograms) or those who have recently taken certain medications. Consult with a healthcare professional to determine if this medication is suitable for you. Always check the product's ingredients as manufacturers may alter them, and products with similar names might have different intended uses. Using the incorrect product may be harmful. For personalized advice, it is recommended to speak with a doctor, nurse, or pharmacist.