Please Select Acyclovir Adipex Aldara Allegra Alesse Ambien Bontril Celebrex Cialis Cipro Clarinex Clarityn Cyclobenzaprine Denavir Didrex Fioricet Flexeril Flonase Generic Prozac Ionamin Levitra Meridia Nasonex Nexium Ortho Tri-Cyclen Paxil Phentermine Prevacid Prilosec Propecia Reductil Renova Retin-A Skelaxin Soma Sonata Tenuate Tramadol Ultram Uprima Valtrex Vaniqa Viagra Vioxx Xenical Zanaflex Zyban Zyrtec Alesse Alesse is a highly effective method for birth control. When taken as directed, Alesse is 99% effective at preventing pregnancy. Alesse also contains lower doses of hormones. So it's less likely to cause breakthrough bleeding or weight gain, two of the most common side effects associated with birth control pill use. Ortho Tri-Cyclen How is Ortho Tri-Cyclen different than other birth control pills? Ortho Tri-Cyclen contains lower amounts estrogen and progestin, and delivers three levels of hormones instead of just one. As a result, it's less likely to produce the unpleasant side effects that are associated with other therapies for birth control like breakthrough bleeding and weight gain.