Provided is a pharmaceutical preparation for treatment or prevention of glaucoma or ocular hypertension, comprising 0.0003 to 0.01% (w/v) of isopropyl (6-{[4-(pyrazol-1-yl)benzyl] (pyridin-3-ylsulfonyl)aminomethyl}pyridin-2-ylamino) acetate, or a salt thereof. The pharmaceutical preparation has an excellent intraocular pressure lowering effect and may be used as a therapeutic or preventive agent for glaucoma or ocular hypertension or an intraocular pressure lowering agent.
