About ketotifen
Antihistamine and mast-cell stabilizer
Used for
- Relieves itchy, watery eyes caused by allergic conjunctivitis.
Usual adult dose
Usually one drop in the affected eye(s) twice daily, about 8–12 hours apart.
Usual dose in children
Usually one drop in the affected eye(s) twice daily for children aged 3 years and older.
Common side effects
- Brief eye irritation or burning
- Dry eyes
- Headache
- Unusual taste after application
Important warnings
- For eye use only; avoid touching the dropper tip to surfaces.
- Remove contact lenses before use; wait at least 10 minutes before reinserting.
- Seek urgent care for severe eye pain, vision changes, or signs of infection.
Pregnancy
Human pregnancy data are limited; use only when the expected benefit outweighs potential risk.
Breastfeeding
It is not known whether eye-drop ketotifen passes into breast milk; systemic exposure is expected to be low.
Interactions
- No important interactions are expected with eye drops used as directed.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.