FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to a multidose ophthalmic composition containing prostaglandin as a therapeutic ingredient, mannitol or sorbitol 0.15-0.5 wt/vol %, propylene glycol or glycerol 0.2-1.8, borate 0.25-0.5 wt/vol %, an antimicrobial preserving agent 0.0003-0.003 wt/vol % representing a polymer quaternary ammonium compound and water. Said composition has pH 6.4-7.2 and is benzalconium chloride free. Besides, the invention refers to the use of said ophthalmic composition for preparing a drug for treating glaucoma, eye infections, allergies and inflammations.
EFFECT: preparing the ophthalmic composition which exhibits improved antimicrobial preserving activity and improved buffer properties.
16 cl, 8 tbl, 21 ex
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