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Medications and Drugs

Brand Names: Patanase

Generic Name: olopatadine (nasal) (Pronunciation: OH loe PA ta deen)

What is olopatadine nasal (Patanase)?

Olopatadine is an antihistamine. It blocks the effects of the chemical histamine in your body.

Olopatadine treats sneezing, itching, runny nose, and other nasal symptoms of allergies.

Olopatadine nasal may also be used for other purposes not listed in this medication guide.

What are the possible side effects of olopatadine nasal (Patanase)?

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

Stop using olopatadine and call your doctor at once if you have any of these serious side effects:

  • nosebleed;
  • sores inside your nose; or
  • burning or pain when you urinate.

Less serious side effects may include:

  • drowsiness;
  • a bitter taste in your mouth;
  • headache;
  • dry mouth, sore throat;
  • cough, sneezing, runny nose, cold symptoms;
  • weight gain; or
  • nausea, diarrhea, stomach pain.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about olopatadine nasal (Patanase)?

Before using olopatadine nasal, tell your doctor if you have any non-allergic conditions affecting the inside of your nose, such as a deviated septum.

Olopatadine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid drinking alcohol. It can increase some of the side effects of olopatadine nasal.

Talk with your doctor if your allergy symptoms do not improve or if they get worse.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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