It consists of pirenokishin content suspensoid and the melting liquid, at the time of business the mixed type two liquid characteristic instillation medicine is disclosed. It possesses also the feature that the particular instillation medicine former tablet and pirenokishin of the granule by comparison with the instillation liquid of the type which at the time of business melts in the melting liquid, melting time of pirenokishin is shortened, has the feature that the being clear discernment which is made near the neuter from the weak acidity which in addition can allow the pH after the melting pirenokishin physiology it is possible to give the instillation liquid.ピレノキシン含有懸濁液および溶解液からなる,用時混合型二液性点眼剤が開示されている。当該点眼剤は,従来の錠剤や顆粒のピレノキシンを溶解液で用時溶解するタイプの点眼液と比較して,ピレノキシンの溶解時間が短縮されるという特徴を有し,またピレノキシンの溶解後のpHを生理学的に許容できる弱酸性から中性付近とした澄明な点眼液を与えることができるという特徴をも有する。
