Plan B One-Step (LEVONORGESTREL)

Consumer

  • 1.  Westhoff C. Emergency contraception. N Engl J Med. 2003;349(19):1830-1835.
  • 2.  Hall JE. Infertility and fertility control. In: Kasper DL, Fauci AS, Longo DL, Braunwald E, Hauser SL, Jameson LJ, eds. Harrison's Principles of Internal Medicine. 16th ed. New York, NY: McGraw-Hill; 2005:279-283.
  • 3.  Contraception myths. Cleveland Clinic Web site. http://my.clevelandclinic.org/healthy_living/birth_control/hic_contraception_myths.aspx. Accessed August 9, 2012.
  • 4.  Jennings VH, Arevalo M. Fertility awareness-based methods. In: Hatcher RA, Trussell J, Nelson AL, Cates W Jr, Stewart FH, Kowal D, eds. Contraceptive Technology. 19th ed. New York, NY: Ardent Media; 2007:343-349.
  • 5.  Wilcox AG, Dunson D, Baird DD. The timing of the "fertile window" in the menstrual cycle: day specific estimates from a prospective study. BMJ. 2000;321(7271):1259-1262.
  • 6.  Data on file. Teva Women's Health Inc, Frazer, PA.

Plan B One-Step® (levonorgestrel) is intended to prevent pregnancy after known or suspected contraceptive failure or unprotected intercourse.

IMPORTANT SAFETY INFORMATION

Plan B One-Step® is not effective in terminating an existing pregnancy. Do not use Plan B One-Step® if you are already pregnant because it will not work. Plan B One-Step® does not protect against HIV and other sexually transmitted diseases (STDs). Side effects may include changes in your period, nausea, lower abdominal pain, fatigue, headache, and dizziness. If your period is more than a week late, you may be pregnant. You should not take Plan B One-Step® if you are already pregnant. Plan B One-Step® should not be used as a routine birth control, as it is not as effective. If you have severe abdominal pain, you may have an ectopic pregnancy, and should get immediate medical help.

You are encouraged to report negative side effects of prescription drugs to the FDA at www.fda.gov/medwatch or call
1-800-FDA-1088. Click here for full product information.

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