Compare Zaditor vs. Lastacaft

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Relieves itchy eyes due to allergies.

Zaditor (ketotifen) is the first-choice OTC treatment for allergy-related itchy eyes, but it doesn't treat infections and may not help for more serious allergies.

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Upsides
  • Works within minutes to relieve itchy eyes.
  • Available to buy over-the-counter, which makes it cheaper.
  • Can use in children age 3 or older.
  • Unlike pills which can affect your whole body, Zaditor (ketotifen) only affects your eyes, which means it has less side effects than anti-allergy pills.
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Downsides
  • Can only use Zaditor (ketotifen) for a short period of time.
  • Administering the medication into the eye safely may be more difficult for some people than taking anti-allergy pills.
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Used for
  • Allergic conjunctivitis - Itching; Prophylaxis
Dosage forms
  • Eye drops
  • Eye drops
Price
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Reviews
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Side effects
The Zaditor (ketotifen) FDA package insert doesn’t have numbers about how common side effects are.
The Lastacaft (Alcaftadine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Allergy to ingredients
  • Risk for eye infection
  • Not to be used with contact lenses
    • Those who wear soft contact lenses
See more detailed risks and warnings
No information currently available