| Name |
Manufacturer |
Pills per Dose |
Ethinyl / Estradiol
per Dose (mcg) |
Levenorgestral
per Dose (mg) |
| Emergency Contraception Kits |
| Plan B |
WCC |
1 white pill |
0 |
0.75 |
| Preven |
Gynetics |
2 blue pills |
100 |
0.50 |
| Doses of Common Oral Contraceptives Used for Emergency Contraceptives |
| Alesse |
Wyeth-Ayerst |
5 pink pills |
100 |
0.50 |
| Levlen |
Berlex |
4 light-orange pills |
120 |
0.50 |
| Levlite |
Berlex |
5 pink pills |
100 |
0.50 |
| Levora |
Watson |
4 white pills |
120 |
0.60 |
| Lo/Ovral |
Wyeth-Ayerst |
4 white pills |
120 |
0.60 |
| Low-Ogestrel |
Watson |
4 white pills |
120 |
1.2 (Norgestrel) |
| Nordette |
Wyeth-Ayerst |
4 light-orange pills |
120 |
0.60 |
| Ogestrel |
Watson |
2 white pills |
100 |
1.0 (Norgestrel) |
| Ovral |
Wyeth-Ayerst |
2 white pills |
100 |
0.50 |
| Ovrette |
Wyeth-Ayerst |
20 yellow pills |
0 |
0.75 (Norgestrel) |
| Tri-Levlen |
Berlex |
4 yellow pills |
120 |
0.50 |
| Triphasil |
Wyeth-Ayerst |
4 yellow pills |
120 |
0.50 |
| Trivora |
Watson |
4 pink pills |
120 |
0.50 |
Treatment
Treatment requires one dose be administered within 72 hours post-coitus. The second dose should be taken 12 hours after the first dose. Both Plan B and Preven are specifically designed and marketed for emergency contraception. Alesse, Levlen, Levlite, Levora, Lo/Ovral, Low-Ogestrel, Nordette, Ogestrel, Ovral, Tri-Levlen, Triphasil, and Trivora have all been approved by the FDA as effective treatments for emergency contraception.
Nausea Prevention
- An antiemetic may be administered one hour before EC for possible gastrointestinal discomfort.
- Plan B (the progestin-only EC) has been shown to cause less nausea compared with combined hormone therapies.
References
Schnare, M. Sharon. Emergency post-coital contraception. The American Journal for Nurse Practitioners, February 2000: 15-22.
Trussell J., Koenig J., Ellertson C., Stewart F. Preventing unintended pregnancy:
the cost-effectiveness of three methods of emergency contraception. American
Journal of Public Health 1997; 87(6):932-937.
Last
updated: March 28, 2001
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