progestinsUnverified
Levonorgestrel
Plan B One-Step®, Take Action®, others
?Pregnancy?Breastfeeding?Warfarin
Open the full SA-PEP page →Emergency ContraceptionDo NOT give to established pregnant patients
Levonorgestrel-LNG (Plan B®)Best for BMIs <30
Single Dose1.5 mg
Split Dose0.75 mg PO q12h for 2 total doses
Estrogen-EE and Levonorgestrel-LNG (Yuzpe regimen)Less effective, more side effects, low cost
Ethinyl Estradiol (EE)100 mcg PO q12h for 2 total doses
Levonorgestrel (LNG)0.5 mg PO q12h for 2 total doses
No pediatric regimens reference Levonorgestrel yet.