Ortho Tri-Cyclen Administration, Chemical Structure & Monitoring Parameters
Ethinyl Estradiol; Norgestimate Administration
NOTE: Products containing 50 mcg estrogen should be used only when medically indicated. Examples of potential medical indications for products containing 50 mcg of estrogen include a history of known contraceptive failure on the 50 mcg products, or increased hepatic metabolism of OCs, such as occurs with some anticonvulsant medications.
NOTE: Some contraceptive packs contain 28 tablets. For most of these, 21 tablets contain active hormone and 7 contain either iron or inert ingredients, so that the daily dosage cycle can be continuous. This reduces the chance of missed doses. The 7 extra tablets are taken at the end of the cycle.
NOTE: Products vary in the type and amount of estrogen and/or progestin; formulations of different hormonal content are not interchangeable.
NOTE: If oral contraceptives are first taken postpartum or later than the fifth day of the menstrual cycle, the contraceptive effect should not be relied on until after 7 consecutive days of drug administration.
Oral Administration
- To minimize nausea, administer with or after the evening meal or at bedtime. Take at the same time each day to ensure maximum contraceptive efficacy.
- Instruct patient on risks and warnings associated with hormonal contraceptives (see Patient Information).
- For triphasic products, explanation of tablet sequencing and different tablet colors may be needed.
[ Last revised: 8/5/2005 11:14:00 PM ]
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Chemical Structure For: Ethinyl Estradiol; Norgestimate
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Ethinyl Estradiol; Norgestimate Monitoring Parameters
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