Adverse effects reported in at least 2% of patients 12 years of age and older receiving desloratadine for management of chronic idiopathic urticaria and more frequently than placebo include headache, nausea, fatigue, dizziness, pharyngitis, dyspepsia, and myalgia.
Adverse effects reported in 2% or more of pediatric patients (2-5 years of age) receiving desloratadine and occurring more frequently than placebo include fever, urinary tract infection, and varicella (chicken pox).
Adverse effects reported in 2% or more of patients 12-23 months of age and occurring more frequently than placebo include fever, diarrhea, upper respiratory tract infection, coughing, increased appetite, emotional lability, epistaxis, parasitic infection, pharyngitis, and maculopapular rash.
Adverse effects reported in 2% or more of patients 6-11 months of age and occurring more frequently than placebo include upper respiratory tract infection, diarrhea, fever, irritability, coughing, somnolence, bronchitis, otitis media, vomiting, anorexia, pharyngitis, insomnia, rhinorrhea, erythema, and nausea.
Syrup: Adverse effects reported in 2% or more of patients 12 years of age and older receiving the fixed combination of desloratadine and pseudoephedrine sulfate include dry mouth, headache, insomnia, fatigue, pharyngitis, somnolence, nausea, dizziness, nervousness, hyperactivity, and anorexia.
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