WATER-BASED EYE DROP CONTAINING KETOTIFEN FOR ACCELERATING TRANSFERABILITY TO CONJUNCTIVA

摘要

PROBLEM TO BE SOLVED: To accelerate transferability of ketotifen or its salt to the conjunctiva in an aqueous eye drop containing ketotifen or its salt. SOLUTION: Transferability of ketotifen or its salt to the conjunctiva is accelerated by adding sorbic acid or its salt to the aqueous eye drop containing ketotifen or its salt.