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Each woman takes the same amount of Introvale -- dosing is not dependent on factors such as weight or if any medical conditions are present. However, it is very important that the drug be taken every day, ideally at the same time each day. If you miss any pills, you may need a backup method of birth control while you re-establish your schedule.

An Introduction to Dosing With Introvale

Introvale™ (levonorgestrel/ethinyl estradiol) is a prescription oral contraceptive (birth control pill) and is a generic version of Seasonale®. There is only one standard dose. As always, do not adjust the amount of Introvale you take unless your healthcare provider specifically tells you to do so.

Introvale Dosage for Birth Control

When you take Introvale for the first time, start the pack on the first Sunday after your period starts. If your period happens to start on a Sunday, start the pack on the first day of your period. For the first seven days when you first start taking Introvale, it is necessary to use a backup method of contraception, such as condoms. From then on, take one tablet every day.
Starting at the beginning of the pack, take one tablet at the same time each day. Each pack will last for 13 weeks (91 days) and contains tablets in each blister card with three sections.
Start at the first section and continue through the pack. After you finish one pack, immediately start a new one. Do not let any days go by between packs without taking a pill. This may take a little planning, as you will need a new pack on hand.
The first 84 tablets contain the active ingredients in this medication. The last seven tablets do not contain any active ingredients. By taking these seven tablets, your body gets a break from the hormones, allowing you to have a period. You may experience breakthrough bleeding or spotting between periods. This is not your period; keep taking Introvale as usual.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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