We appreciate that they are clinically tested and contain ketotifen, which is a powerful ingredient for relieving allergy symptoms. Overall, we highly recommend the Alaway Antihistamine Eye Drops ...

Common ingredients include ketotifen, olopatadine, carboxymethylcellulose and glycerin. Anti-redness drops: These eye drops usually contain tetrahydrozoline or brimonidine to reduce the swelling ...

Specific over-the-counter eye drops, such as ketotifen and olopatadine, contain antihistamines that reduce the allergic reaction in the eye. In terms of dosage, each eye drop will vary depending ...