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Drugs reference index «Patanol»



Generic name: Olopatadine hydrochlorideBrand names: Patanol

Why is Patanol prescribed?

Patanol is an antihistamine that relieves the red, itchy eyes often caused by allergies.

Most important fact about Patanol

Patanol should be used only for allergic conditions. It is not a remedy for irritation from contact lenses.

How should you take Patanol?

When applying the eyedrops, be careful to avoid touching the eyelids with the dropper tip. This could contaminate the solution.

Do not wear soft contact lenses while the eyes are red. At other times, wait at least ten minutes after applying Patanol before inserting the lenses.

  • If you miss a dose...Take the forgotten dose as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular schedule. Do not take two doses at once.
  • Storage instructions...Keep bottle tightly closed. Store at room temperature.

What side effects may occur?

Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe to continue using Patanol.

  • Side effects may includes:Allergic reactions, bloodshot eyes, blurred vision, burning or stinging, changes in taste, cold-like symptoms, dry eye, headache (occurs in 7 percent of patients)inflammation of the cornea, itching, nausea, runny nose, sensation of a foreign body in the eye, sinus inflammation, sore throat, swollen lids, weakness

Why should Patanol not be prescribed?

You'll need to avoid Patanol if it causes an allergic reaction.

Special warnings about Patanol

Use only in the eyes. Patanol should not be taken orally or by injection. Safety and effectiveness have not been established in children under 3.

Possible food and drug interactions when taking Patanol

There is no information on potential interactions.

Special information if you are pregnant or breastfeeding

The effects of Patanol during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, alert your doctor immediately.

Researchers do not know how much of the eyedrops can make their way into breast milk. Be cautious if using Patanol while nursing.

Recommended dosage for Patanol

The usual dose is 1 drop in each affected eye 2 times a day. Allow 6 to 8 hours between doses.


There is no information on Patanol overdose. However, excessive use of any medication can have serious consequences. If you suspect an overdose, seek medical attention without delay.

  • Patanol Prescribing Information (FDA)
  • Patanol Consumer Overview
  • Patanol Advanced Consumer (Micromedex) - Includes Dosage Information
  • Patanol Drops MedFacts Consumer Leaflet (Wolters Kluwer)
  • Pataday Prescribing Information (FDA)

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