Plan B | levonorgestrel
Medication Class: Progestin Contraceptive
Manufacturer: Duramed Pharmaceuticals
Approval date: July 1999
What is Plan B and how does it work
Plan B (morning after pill) is a progestin only birth control pill that works by preventing ovulation or fertilization. It does not work if a woman is already pregnant.
What is Plan B used for
Plan B is an emergency contraceptive. It is used following unprotected intercourse or if the primary method of birth control fails.
How Effective is Plan B
- Plan B (One Step) prevented 84% of unwanted pregnancies in women who required emergency contraception.
- Plan B (One Step) reduced the expected pregnancy rate from 8% to 1% compared to no contraception.
What are interesting facts about Plan B
- It is available over the counter.
- It is a back up birth control method when other methods fail.
What is the dosage of Plan B
- Plan B (One Step): One tablet (1.5 mg) orally as soon as possible within 72 hours after unprotected intercourse or failure of primary birth control method.
- Plan B (Next Choice): One tablet (0.75 mg) orally as soon as possible within 72 hours after unprotected intercourse or failure of birth control. Then 1 tablet 12 hours later.
What are the side effects of Plan B
Common: Headache, heavier menstrual bleeding, nausea, lower abdominal pain, fatigue, and dizziness
Serious: none were reported
Plan B drug interactions
bosentan
carbamazepine
St. John’s wort
HIV protease inhibitors (e.g., Norvir)
Barbiturates
HIV protease inhibitors (e.g., Norvir)
Barbiturates
What is the cost of Plan B
This medication summary is for information only and is not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider.
Comment on this article or post an article by joining the RxEconsult community.
Please Share on Your Social Networks
For More Healthcare Insights Join Us On Twitter and Facebook. Join The Community To Publish Articles.
Copyright 2022 RxEconsult. All Rights Reserved | Privacy Policy | Terms of Use | Sitemap