What's the difference between tri sprintec and sprintec? im on sprintec.

Birth control: Sprintec has the same level of hormone throughout the entire 3 weeks of active pills (this is called monophasic), whereasTri-Sprintec has 3 different levels of hormones over the 3 weeks of active tablets (this is called triphasic). Everyone reacts differently to these types of birth control pills. Both are very effective at preventing pregnancy when taken as prescribed.