Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.
ORAL CONTRACEPTIVE AGENTS
DESCRIPTION
Necon ® 1/50 Tablets provide a continuous oral contraceptive regimen consisting of 21 white tablets containing norethindrone 1 mg and mestranol 0.05 mg and 7 orange tablets containing inert ingredients.
Norethindrone is a potent progestational agent with the chemical name 17-Hydroxy-19-Nor-17α-pregn-4-en-20-yn-3-one. Mestranol is an estrogen with the chemical name 3-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol. Their structural formulae follow:
The white Necon® 1/50 tablets contain the following inactive ingredients: lactose, magnesium stearate, povidone, and starch.
The inactive orange tablets contain the following ingredients: FD&C Yellow No. 6, lactose, microcrystalline cellulose, and magnesium stearate.