Zyller Adverse Reactions

Levocetirizine is generally well tolerated. However, the following reported undesirable effects may be found.
Undesirable effects reported in 2% or more of patients 12 years of age and older include somnolence, nasopharyngitis, fatigue, dry mouth, and pharyngitis.
Undesirable effects reported in 2% or more of patients 6-12 years of age include pyrexia, cough, somnolence, and epistaxis.
Undesirable effects reported in 2% or more of patients 1-5 years of age include pyrexia, diarrhea, vomiting, and otitis media.
Undesirable effects reported in 3% or more of patients 6-11 months of age include diarrhea, and constipation.
Including to the adverse reactions reported during clinical studies and listed above, very rare cases of the following adverse drug reactions have been reported in post-marketing experience such as hypersensitivity including anaphylaxis, dyspnea, nausea, angioneurotic oedema, pruritis, rash, urticaria and weight increase.