abstract |
The present invention relates to an ophthalmic pharmaceutical composition comprising a single ketotifen salt, a non-ionic agent, a particular case preservative, a weakly acidic acid or base and water to provide an osmotic pressure of 210 to 290 milligrams of the total composition, and wherein said composition does not contain no preservative and 0.01-0.04% by weight of acetotifen; or (b) the said preservative is present and the ketotifen salt is present in a concentration of 0.01 to 0.03% by weight. SHE |