Levocetirizine Side Effects

It is possible that some side effects of levocetirizine 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 levocetirizine: oral solution, oral tablet

Along with its needed effects, levocetirizine 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 levocetirizine:

Less common
  • Bloody nose
  • fever
Incidence not known
  • Anxiety
  • attack, assault, or force
  • blurred or loss of vision
  • cough
  • dark urine
  • decrease in the frequency of urination
  • decrease in urine volume
  • difficult or labored breathing
  • difficulty in passing urine (dribbling)
  • difficulty with swallowing
  • disturbed color perception
  • dizziness
  • double vision
  • dry mouth
  • fast, irregular, pounding, or racing heartbeat or pulse
  • general tiredness and weakness
  • halos around lights
  • hives or welts
  • hyperventilation
  • irritability
  • itching skin
  • joint or muscle pain
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • light-colored stools
  • nausea and vomiting
  • nervousness
  • night blindness
  • overbright appearance of lights
  • painful urination
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • redness of the skin
  • restlessness
  • seizures
  • shaking
  • skin rash
  • tightness in the chest
  • trouble with sleeping
  • tunnel vision
  • upper right abdominal or stomach pain
  • yellow eyes and skin

Some side effects of levocetirizine 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
  • Headache
  • muscle aches
  • sleepiness or unusual drowsiness
  • sore throat
  • stuffy or runny nose
Less common
  • Body aches or pain
  • congestion
  • diarrhea
  • dryness or soreness of the throat
  • earache
  • hoarseness
  • redness or swelling in the ear
  • tender, swollen glands in the neck
  • voice changes

For Healthcare Professionals

Applies to levocetirizine: oral solution, oral tablet


Postmarketing reports: Palpitations, tachycardia


Postmarketing reports: Fixed drug eruption, pruritus, rash, urticaria


Very common (10% or more): Dry mouth
Common (1% to 10%): Diarrhea, vomiting, constipation
Postmarketing reports: Nausea


Frequency not reported: Anaphylaxis
Postmarketing reports: Angioedema

Nervous system

Very common (10% or more): Somnolence, fatigue
Common (1% to 10%): Asthenia
Postmarketing reports: Convulsions, paresthesia, dizziness, tremors, vertigo, movement disorders (dystonia and oculogyric crisis), tic, myoclonus, extrapyramidal symptoms


Uncommon (0.1% to 1%): Elevations of blood bilirubin and transaminases
Postmarketing reports: Hepatitis


Postmarketing reports: Visual disturbances, blurred vision


Very common (10% or more): Nasopharyngitis, pharyngitis,
Common (1% to 10%): Cough, epistaxis
Postmarketing reports: Dyspnea


Postmarketing reports: Aggression, agitation, hallucinations, suicidal ideation, dysgeusia, insomnia


Postmarketing reports: Myalgia


Postmarketing reports: Urinary retention, dysuria


The most common adverse reactions were: somnolence, nasopharyngitis, fatigue, dry mouth and pharyngitis (in 12 years and older); pyrexia, somnolence, cough and epistaxis (in 6 to 12 year olds); pyrexia, diarrhea, vomiting, and otitis media (in 1 to 5 year olds); diarrhea and constipation (in 6 to 11 months of age)


Common (1% to 10%): Pyrexia
Uncommon (0.1% to 1%): Otitis Media
Postmarketing reports: Increased appetite, edema

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