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Basic information
Effects of phenobarbital and dosing time on the plasma concentration and pharmacological activity of tadalafil in mice.
In mice, the plasma tadalafil concentration tended to be higher when administered in the morning than in the evening. In contrast, plasma tadalafil concentration was higher when administered in the evening than in the morning in mice pretreated with phenobarbital. The coadministration of phenobarbital and tadalafil may suppress the plasma levels and pharmacological activities of tadalafil. |