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OLOPATADINE HYDROCHLORIDE vs PATADAY ONCE DAILY RELIEF

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Rating

66/100
New

Pharmacy pays

$1.23 /g
$1.23 /g

Type

RX
OTC

Active ingredient

OLOPATADINE HYDROCHLORIDE
OLOPATADINE HYDROCHLORIDE

Manufacturer

Dosage forms

Solution, Drops, Spray/Inhaler, Spray/Inhaler, metered
Solution

Drug class

Histamine-1 Receptor Antagonist
Histamine-1 Receptor Antagonist

Boxed warning

None
None

Treats

Allergic Conjunctivitis
Allergic Conjunctivitis

Get pataday once daily relief

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Where to buy

Buy over-the-counter from trusted retailers.

Frequently asked questions

Which is cheaper, Olopatadine Hydrochloride or Pataday Once Daily Relief?

Pharmacies pay about the same to acquire either one — roughly $1.23 per gm, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Olopatadine Hydrochloride and Pataday Once Daily Relief?

Both Olopatadine Hydrochloride and Pataday Once Daily Relief share the active ingredient Olopatadine Hydrochloride, but Olopatadine Hydrochloride is sold as RX and Pataday Once Daily Relief as OTC.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.