Patanase Side Effects

Generic Name: olopatadine nasal

Note: This page contains side effects data for the generic drug olopatadine nasal. It is possible that some of the dosage forms included below may not apply to the brand name Patanase.

It is possible that some side effects of Patanase may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to olopatadine nasal: nasal spray

Along with its needed effects, olopatadine nasal (the active ingredient contained in Patanase) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking olopatadine nasal:

Less common
  • Bladder pain
  • bloody nose
  • bloody or cloudy urine
  • difficult, burning, or painful urination
  • frequent urge to urinate
  • lower back or side pain
  • sore throat
  • Chills
  • cough
  • diarrhea
  • fever
  • general feeling of discomfort or illness
  • headache
  • joint pain
  • loss of appetite
  • muscle aches and pains
  • nausea
  • runny nose
  • shivering
  • sweating
  • trouble sleeping
  • unusual tiredness or weakness
  • vomiting
Incidence not known
  • Difficulty with breathing or swallowing
  • dizziness
  • fast heartbeat
  • shortness of breath
  • skin itching, rash, or redness
  • swelling of the face, throat, or tongue
  • unpleasant breath odor
  • vomiting of blood

Get emergency help immediately if any of the following symptoms of overdose occur while taking olopatadine nasal:

Symptoms of overdose
  • Anxiety
  • deep or fast breathing with dizziness
  • dry mouth
  • irregular heartbeats
  • irritability
  • nervousness
  • numbness of the feet, hands, and around the mouth
  • restlessness
  • shaking
  • sleepiness

Some side effects of olopatadine nasal may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Bitter taste
  • Throat irritation
Incidence not known
  • Thirst

For Healthcare Professionals

Applies to olopatadine nasal: nasal spray


Gastrointestinal side effects have included bitter taste, dry mouth, nasopharyngitis, and pharyngolaryngeal pain. Post marketing reports have included dysgeusia, hyposmia and anosmia.


Respiratory side effects have included epistaxis, cough, and postnasal drip. Nasal septal perforation has also been reported. Post Marketing reports have included nasal discomfort and oropharyngeal pain


Genitourinary side effects have included urinary tract infection.


Hepatic side effects have included CPK elevation.

Nervous system

Nervous system side effects have included somnolence. Post marketing reports have included dizziness and headache.


Other side effects have included influenza.


Psychiatric side effects have included depression or worsening of depression.

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