Allerzet Adverse Reactions

The most frequently reported adverse effects with levocetirizine include diarrhea, constipation, otitis media, vomiting, cough, pyrexia, epistaxis, asthenia, dry mouth, fatigue, headache, nasopharyngitis, pharyngitis, and somnolence.
Immune system disorders: Hypersensitivity (anaphylaxis).
Metabolism and nutrition disorders: Edema, increased appetite, weight gain.
Psychiatric disorders: Aggression, agitation, depression, hallucination, suicidal ideation.
Nervous system disorders: Convulsion, dizziness, dysgeusia, extrapyramidal symptoms, febrile seizure, insomnia, movement disorders (including dystonia and oculogyric crisis), myoclonus, orofacial dyskinesia, paresthesia, seizure, syncope, tic, tremor.
Eye disorders: Blurred vision, visual disturbances.
Ear and labyrinth disorders: Vertigo.
Cardiac disorders: Palpitations, tachycardia.
Vascular disorders: Severe hypotension.
Respiratory, thoracic and mediastinal disorders: Dyspnea.
Gastrointestinal disorders: Nausea.
Hepatobiliary disorders: Cholestasis, hepatitis.
Skin and subcutaneous tissue disorders: Acute generalized exanthematous pustulosis (AGEP), angioedema, fixed drug eruption, pruritus, rash, urticaria.
Musculoskeletal and connective tissue disorders: Arthralgia, myalgia.
Renal and urinary disorders: Dysuria, glomerulonephritis, urinary retention.
Pregnancy, puerperium and perinatal conditions: Still birth.
Investigations: Abnormal liver function tests, blood bilirubin increased, transaminases increased.