Up to 14 days: Check out http://www.Mydr.Com.Au/cmis/pdfs/cmi8018.Pdf and http://www.Medsafe.Govt.Nz/consumers/cmi/l/levlen (ethinyl estradiol and levonorgestrel).Pdf for info on levlen (ethinyl estradiol and levonorgestrel) ed. How quickly it takes effect depends upon what you were doing/taking prior. Whether to use add'l contraception, eg condom, depends upon what you read (see above) and your doctor. Best to ask him/her.
Answered 6/29/2012
5.8k views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question