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Pataday

Last reviewed on RxList: 8/3/2020
Pataday Side Effects Center

What Is Pataday?

Pataday (olopatadine hydrochloride ophthalmic solution) is an antihistamine used to treat ocular (eye) symptoms of allergic conditions, such as inflammation, itching, watering, and burning.

What Are Side Effects of Pataday?

Common side effects of Pataday include:

  • headache,
  • blurred vision,
  • burning/stinging/redness/dryness/ irritation/itching of the eye,
  • swollen or puffy eyelids,
  • stuffy or runny nose,
  • cough,
  • sore throat,
  • weakness,
  • back pain,
  • a feeling as if something is in your eye, or
  • unusual or unpleasant taste in your mouth.

A serious allergic reaction to Pataday is unlikely, but seek immediate medical attention if you have symptoms including:

  • rash,
  • itching/swelling (especially of the face/tongue/throat),
  • dizziness, or
  • trouble breathing.

Dosage for Pataday

The recommended dose of Pataday is one drop in each affected eye once a day.

What Drugs, Substances, or Supplements Interact with Pataday?

Other drugs may interact with Pataday ophthalmic. Tell your doctor about all your prescription and over-the-counter medications and supplements you use.

Pataday During Pregnancy and Breastfeeding

Pataday should be used only when prescribed during pregnancy. It is not known if this drug passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Pataday (olopatadine hydrochloride ophthalmic solution) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

QUESTION

Allergies can best be described as: See Answer
Pataday Consumer Information

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Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

  • eye pain or changes in vision;
  • eye itching that gets worse or lasts longer than 72 hours;
  • severe burning, stinging, or irritation after using this medicine; or
  • eye swelling, redness, severe discomfort, crusting or drainage (may be signs of infection).

Less serious side effects may be more likely, and you may have none at all.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Pataday (Olopatadine Hydrochloride Ophthalmic Solution)

SLIDESHOW

Could I Be Allergic? Discover Your Allergy Triggers See Slideshow
Pataday Professional Information

SIDE EFFECTS

Adverse Drug Reaction Overview

In clinical trials involving 1137 patients dosed with long-term ophthalmic topical therapy, PATADAY was administered once-daily for 4 to 12 weeks. The most frequently reported treatment-related undesirable effects were headache (0.8%), eye irritation (0.5%), dry eye (0.4%), and eyelid margin crusting (0.4%). No serious adverse drug reactions related to PATADAY were reported in the clinical trials.

Clinical Trial Adverse Drug Reactions

Because clinical trials are conducted under very specific conditions, the adverse drug reaction rates observed in the clinical trials may not reflect the rates observed in practice and should also not be compared to the rates in the clinical trials of another drug. Adverse drug reaction information from clinical trials is useful for identifying drug-related adverse events and for approximating rates.

No treatment-related adverse drug reactions occurred at an incidence ≥ 1%.

Less Common Clinical Trial Adverse Drug Reactions

The most frequently reported adverse drug reactions (>0.1%) are presented in Table 1.

Table 1: Treatment-Related Adverse Drug Reactions >0.1% – Long-Term Exposure

MedDRA Preferred Term
(Version 11.0)
PATADAY
N = 1137
(%)
Placebo
N = 631
(%)
Eye Disorders
Eye Irritation0.5%0.6%
Dry Eye0.4%0.5%
Eyelid Margin Crusting0.4%
Eye Pruritus0.2%0.3%
Gastrointestinal Disorders
Dry Mouth0.2%
Nervous System Disorders0.8%
Dysgeusia0.4%

Additional treatment-related adverse drug reactions that occurred at an incidence of 0.1% included the following:

Eye disorders: asthenopia, eye swelling, eyelid disorder, eyelids pruritus, ocular hyperaemia, and vision blurred;

Investigations: heart rate increased;

Respiratory, Thoracic, and Mediastinal disorders: nasal dryness

Post-Market Adverse Drug Reactions

Approximately 5.4 million units of PATADAY have been sold worldwide. The reporting rate of all reaction terms reported between 22 December 2004 and 31 August 2009 was 0.005%, and no single reaction term occurred with a reporting rate greater than 0.0007%. No post-market reports of serious adverse reactions have been received to date. The most frequent events reported being eye irritation, ocular hyperaemia, eye pain and vision blurred. There were no new major findings bearing on the established overall safety profile of PATADAY. Other events include dizziness, eye discharge, punctate keratitis, keratitis, erythema of eyelid, dermatitis contact, fatigue, hypersensitivity, ocular discomfort, lacrimation increased and nausea.

Read the entire FDA prescribing information for Pataday (Olopatadine Hydrochloride Ophthalmic Solution)

Related Resources for Pataday

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Read the Pataday User Reviews »

© Pataday Patient Information is supplied by Cerner Multum, Inc. and Pataday Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

QUESTION

Allergies can best be described as: See Answer

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