Información de la droga para PHYSICIAN LABELING Quasense (Levonorgestrel and Ethinyl Estradiol Tablets USP) 0.15 mg/0.03 mg (91-Day Regimen) Rx only (Watson Pharma, Inc.): DESCRIPTION

Quasense^® is an extended-cycle oral contraceptive consisting of 84 white active tablets each containing 0.15 mg of levonorgestrel, a synthetic progestogen and 0.03 mg of ethinyl estradiol, and 7 peach inert tablets (without hormones).

The chemical formula of levonorgestrel USP is 18, 19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17a)-, (-)-, and the chemical formula of ethinyl estradiol USP is 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17a)-. The structural formulas are as follows:

C₂₁H₂₈O₂ MW: 312.4 C₂₀H₂₄O₂ MW: 296.4

Each white active tablet contains the following inactive ingredients: croscarmellose sodium NF, lactose monohydrate NF, magnesium stearate NF, microcrystalline cellulose NF, and povidone USP. Each peach inert tablet contains the following inactive ingredients: anhydrous lactose NF, FD&C yellow #6 Lake, lactose monohydrate NF, magnesium stearate NF, and microcrystalline cellulose NF.