SYSTANE® ZADITOR® Antihistamine Eye Drops
Fast-acting, long-lasting eye itch relief
Fight the allergens that cause itchy eyes with SYSTANE® ZADITOR® Antihistamine Eye Drops, the original triple-action, prescription-strength formula that works in minutes to deliver up to 12 hours of allergy eye itch relief.

Product Details
- Prescription-strength formula
- Antihistamines work by targeting itchy eyes right at the source.
- Relieves allergies in the eye for up to 12 hours
- Available in 10mL
- For ages 3 and up

SYSTANE® ZADITOR® Antihistamine Eye Drops FAQs
No. According to the labeling, when using this product:
• remove contact lenses before use
• wait at least 10 minutes before reinserting contact lenses after use
No. SYSTANE® ZADITOR® is indicated for use to temporarily relieve itchy eyes due to pollen, ragweed, grass, animal hair and dander.
We recommend that consumers consult their eye care professionals and/or allergists to determine which eye drops can be used in combination, as well as the appropriate way to use them.
SYSTANE® ZADITOR® is only indicated to temporarily relieve itchy eyes due to pollen, ragweed, grass, animal hair and dander.
Yes, the active ingredient is ketotifen (0.025%), an antihistamine (equivalent to ketotifen fumarate 0.035%).
Yes.
Drug Facts
Adults and children 3 years of age and older: Put 1 drop in the affected eye(s) twice daily, every 8–12 hours, no more than twice per day.
Children younger than 3 of age: Consult a doctor.
Active Ingredients | ||
Ketotifen 0.025% | Antihistamine |
For external use only.
Do not use
• if the solution changes color or becomes cloudy
• if you are sensitive to any ingredient in this product
• to treat contact lens-related irritation
When using this product
• do not touch tip of container to any surface to avoid contamination
• remove contact lenses before use
• wait at least 10 minutes before reinserting contact lenses after use
• replace cap after each use
Stop use and ask a doctor if you experience any of the following:
- eye pain
- changes in vision
- redness of the eye
- itching worsens or lasts for longer than 72 hours
Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away.
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of protection across the entire eye surface for 8 hours of long-lasting relief.
*vs SYSTANE® BALANCE
Still not sure? Take the dry eye quiz.
Get personalized dry eye product recommendations and helpful tips to reduce symptoms and triggers that may impact your eyes. It’s time to find a plan that’s designed for you.
