Emergency Contraception

1. Consider pretreatment one hour before each oral contraceptive pill dose, using one of the following orally administered antiemetic agents:

Prochlorperazine (Compazine), 5 to 10 mg Promethazine (Phenergan), 12.5 to 25 mg Trimethobenzamide (Tigan), 250 mg Meclizine (Antivert) 50 mg

2. Administer the first dose of oral contraceptive pill within 72 hours of unprotected coitus, and administer the second dose 12 hours after the first dose. Brand name options for emergency contraception include the following:

Preven Kit - two pills per dose (0.5 mg of levonorgestrel and 100 pg of ethinyl estradiol per dose)

Plan B - one pill per dose (0.75 mg of levonorgestrel per dose)

Ovral - two pills per dose (0.5 mg of levonorgestrel and 100 pg of ethinyl estradiol per dose) Nordette - four pills per dose (0.6 mg of levonorgestrel and 120 pg of ethinyl estradiol per dose)

Triphasil - four pills per dose (0.5 mg of levonorgestrel and 120 pg of ethinyl estradiol per dose)

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