Øjendråber

摘要

An object of the present invention is to formulate prostaglandin derivatives which are hardly soluble in water and liable to be adsorbed to a resinous container and prostaglandin derivatives which are liable to decompose when dissolved in water in ophthalmic solutions. Solubility of the prostaglandin derivatives in water is improved and the adsorption thereof to the resinous container can be remarkably inhibited by adding a nonionic surfactant such as polysorbate 80 or polyoxyethylene hydrogenated castor oil 60 to the ophthalmic solutions. The decomposition of the prostaglandin derivatives can be remarkably inhibited by adding an antioxidant such as disodium ethylenediaminetetraacetate or dibutylhydroxytoluene.