ARVs and oral contraceptives: Drug interactions
*EE = Ethinylestradiol; ‡ Co-administration with other hormonal/oral contraceptives containing progestogens other than norgestimate has not been studied, and therefore should be avoided. An alternate reliable method of contraception is recommended; ¥ Coadministration of FPV/r with oral contraceptives may increase the risk of hepatic transaminase elevations, alternative contraception methods are recommended; † For FPV/r and NFV alternative or additional contraceptive measures are recommended when administered with either EE- or norethindrone-containing hormonal contraceptives.
SmPCs. Available at http://www.ema.europa.eu Accessed March 2011