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Pataday Once Daily
Pharmacist Safety Review

Is Pataday Once Daily Safe?

Generic: olopatadine

Reviewed by Younghun ChoLast reviewed April 17, 2026

Generally yes, Pataday Once Daily is safe for most people when used as directed to relieve eye allergy symptoms. It is an over-the-counter antihistamine eye drop intended for external use only, directly in the eyes, and has a good safety profile.

Who Should Avoid or Consult First

  • Children under 2 years old
  • Individuals with narrow-angle glaucoma (consult a doctor first)
  • People with serious eye infections or injuries (consult a doctor first)

Common Side Effects

  • Temporary stinging or burning in the eye
  • Dry eyes
  • Headache (uncommon)
  • Blurred vision (temporary, uncommon)

Interactions to Watch For

People Also Ask

Is Pataday safe for pregnant women?

Pataday Once Daily is generally considered low risk during pregnancy due to minimal absorption into the bloodstream. However, it's always best to consult your doctor before using any medication while pregnant or breastfeeding.

Can my child use Pataday eye drops?

Yes, Pataday Once Daily is safe for children 2 years of age and older. Always follow the dosing instructions on the package for children.

Is it okay to use Pataday daily?

Yes, Pataday Once Daily is designed for daily use during allergy season to provide continuous relief. If your symptoms worsen or do not improve after a few days of use, consult an eye doctor.

Can I use Pataday with my contacts?

No, you should remove your contact lenses before applying Pataday Once Daily. Wait at least 10 minutes after using the eye drops before reinserting your contact lenses.

Bottom Line

Pataday Once Daily is a safe and effective option for most adults and children over 2 years old to manage eye allergy symptoms. Always follow the directions on the label and consult a doctor if symptoms don't improve or worsen.

References

  1. 1.
    FDA Drug Label — PATADAY ONCE DAILY RELIEF

    FDA DailyMed: PATADAY ONCE DAILY RELIEF · FDA

  2. 2.
    FDA Drug Label — Equate Olopatadine Hydrochloride Ophthalmic Solution

    FDA DailyMed: Equate Olopatadine Hydrochloride Ophthalmic Solution · FDA

  3. 3.
    Allergic Rhinitis: A Review.

    Bernstein JA, Bernstein JS, Makol R, et al., JAMA, 2024 · PubMed

  4. 4.
    Comprehensive review of olopatadine: the molecule and its clinical entities.

    Kaliner MA, Oppenheimer J, Farrar JR, Allergy and asthma proceedings, 2010 · PubMed

  5. 5.
  6. 6.
    A review of olopatadine for the treatment of ocular allergy.

    Abelson MB, Expert opinion on pharmacotherapy, 2004 · PubMed

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Educational content based on FDA labeling, published research, and pharmacist review. Not a substitute for individualized medical advice.