The present invention provides a therapeutic agent for hyperlipidemia having an excellent effect of lowering the cholesterol and triglyceride level in blood plasma.The present invention relates to a prophylactic and/or therapeutic agent for hyperlipidemia, a prophylactic and/or therapeutic agent for obesity or diabetes mellitus, and a prophylactic and/or therapeutic agent for metabolic syndrome, each agent including a compound represented by the formula (1), or a salt thereof, and a statin, particularly pitavastatin, in combination.
