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General Medication Fact Sheet for Zaditor
| Field | Information |
|---|---|
| Medication Name | Zaditor |
| Generic Name | Ketotifen |
| Purpose | Antihistamine eye drops used to relieve itchy eyes due to allergies |
| Mechanism of Action | Blocks histamine H1 receptors and stabilizes mast cells, reducing allergic reactions in the eye |
| Dosage Forms | Ophthalmic solution (eye drops) |
| Available Strengths | 0.025% |
| Dosage Frequency | Typically twice daily, about 8-12 hours apart, or as directed by a healthcare provider |
| Common Side Effects | Eye irritation, burning, stinging, blurred vision |
| Serious Side Effects | Severe allergic reaction (rare) |
| Drug Interactions | Other eye drops, especially those containing preservatives; consult your doctor or pharmacist |
| Important Notes | Remove contact lenses before use; wait at least 10 minutes before reinserting lenses; do not touch the dropper tip to any surface to avoid contamination |
| Storage | Store at room temperature away from light and moisture; keep the bottle tightly closed when not in use |
| Missed Dose | Use as soon as you remember, unless it’s almost time for your next dose; do not double the dose to catch up |
| Alternatives | Alaway (ketotifen), Bepreve (bepotastine), Lastacaft (alcaftadine) |
Zaditor Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Alaway (ketotifen) | H1 receptor antagonist and mast cell stabilizer | Generic version of Zaditor, providing similar relief. |
| Bepreve (bepotastine) | Selective H1 receptor antagonist | May provide longer-lasting relief for some individuals. |
| Lastacaft (alcaftadine) | H1 receptor antagonist and mast cell stabilizer | Once-daily dosing may be more convenient. |
| Olopatadine | H1 receptor antagonist and mast cell stabilizer | Available in various brand names; consult with a doctor for the best option. |
Zaditor Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Eye irritation | Severe allergic reaction (e.g., rash, itching, swelling, difficulty breathing) – rare |
| Burning | Severe or persistent eye pain or redness |
| Stinging | Vision changes |
Zaditor Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Allergic Conjunctivitis (Itchy Eyes) | One drop | One drop in each eye twice daily (8-12 hours apart) | Remove contact lenses before use; wait 10 minutes before reinserting. Do not touch dropper tip to any surface. |
