Logynon (Schering Health Care) A proprietary combination of ethinyloestradiol and levonorgestrel used as an oral contraceptive of the triphasic type. These tablets are packaged in three phases, which differ in the amounts of the active ingredients they contain. Logynon ED contains both active and dummy tablets, so that a tablet is taken each day of a 28-day cycle.
Both preparations are available on prescription only.
