Ketotifen Ophthalmic

Name: Ketotifen Ophthalmic Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

8 interactions 133 cited references

Also sold as: Alaway Alaway® Claritin Eye Wal-Zyr Itchy Eye Zaditor Zaditor®

About Ketotifen Ophthalmic

Ophthalmic ketotifen is used to relieve the itching of allergic pinkeye. Ketotifen is in a class of medications called antihistamines. It works by blocking histamine, a substance in the body that causes allergic symptoms. Read the full Ketotifen Ophthalmic drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Tranylcypromine Amifampridine Bupropion Clomipramine Donepezil Hydroxychloroquine

1 Contraindicated 7 Major

All (8) Contraindicated (1) Major (7)

Contraindicated

Ketotifen Ophthalmic Tranylcypromine Parnate Increased risk of anticholinergic effects Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.