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Generic Name: Olopatadine ophthalmic Ophthalmic O-loe-PAT-adeen [OH-loe-PAT-a]
Names of Brands: Pataday Once Daily Relief Pataday Once Daily Relief Extra Strength Pataday Twice A Day Relief, Pataday, Pazeo
The Class of Drugs: Ophthalmic antihistamines and decongestants

What is Pataday?

Olopatadine is an antihistamine that reduces the chemical histamine found within the body. Histamine is a chemical that can cause itching or eyes that are watery.The pataday (for the eyes) can be used for treating itching in the eyes caused by allergies.Pataday can also be employed for reasons not mentioned in this guideline for medication.

Side effects of Pataday

Seek medical attention immediately. If you are experiencing symptoms warning signs of an allergic reaction such as asthma, hives, or swelling of your lips, tongue, throat, or face,

Pataday can cause severe adverse effects. Take a break from Pataday and contact your doctor immediately if you suffer from:

  • Eye discomfort or vision changes;
  • Eye itching, which gets more severe or persists for longer than 72 hours.
  • Extreme burning, stinging, or irritation following the use of the medication and
  • Eye swelling, redness, intense discomfort, or crusting and drainage may be signs of an

More minor side effects might be more likely, and you could not experience any whatsoever.

It's not a comprehensive listing of all possible adverse reactions, as other reactions could be experienced. Contact your doctor for advice regarding medical effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


Follow the directions on the label of your medication and on the label of your package. Inform your healthcare professionals about your medical ailments and allergies, as well as the medicines you are taking.

Before you take this drug

It is not recommended to use Pataday if you have an allergy to it.Ask your doctor or pharmacist if the drug Pataday is safe to use if you suffer from any eye infection.

Consult your physician if you are nursing or pregnant.Pataday is not allowed to be used for anyone under two years old.

How to take Pataday?

Follow the directions on the label or as recommended by your physician.Avoid using them when wearing soft contact lenses. The preservative contained in this medication may permanently stain lenses. Take the medication at least 15 minutes prior to placing your contact lenses.Wash your hands after applying eye medications.

For applying the eye drops, tilt your head back to a slight angle and then pull your lower eyelids to create an eyelid pocket. Then, hold the dropper in front of the eye and squeeze one drop into this pocket. Then, close your eyes for about one or two minutes.

  • At least 10 minutes prior to using the other drops for your eyes that your physician has recommended.

Make sure to use only the number of drops indicated on the label of the medicine.

Do not touch the edge of your eyedropper or put it directly in your eyes. Drops that are contaminated can cause eye infections, which could cause serious vision problems.Avoid using the eye drops if the solution is cloudy or has changed color.

Keep at room temperature, away from heat and moisture. Don't freeze. Make sure the bottle is tightly sealed when not being used.

What happens If I miss a dose?

Utilize the medicine as quickly as you are able, but do not miss any doses if you are nearing the time to take the next dose. Don't take two doses at once.

What happens if I overdose?

A dose of Pataday isn't expected to pose a risk. Get medical attention immediately or contact the poison help line at 1-800-222-1222. If you have accidentally swallowed the drug.

What should be avoided?

Do not wear contact lenses if your eyes are irritated or red. Pataday is not able to help treat irritation to your eyes that is caused by wearing contacts.

Interaction with other drugs

The eye medicine is unlikely to be affected by other medicines you take. However, many medications can interact with each other. Be sure to inform your health care providers about the medications you take, including prescription and non-prescription medicines, vitamins, and herbs.