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Claritin, Alavert
Antihistamine • Second-generation H1 antihistamine
Half-life
8.4 hours (active metabolite 28 hours)
Protein Binding
97-99%
Metabolized By
CYP3A4, CYP2D6
External
Drugs.comSelective peripheral H1 receptor antagonist
Drug Class
Antihistamine
Subclass
Second-generation H1 antihistamine
Half-life
8.4 hours (active metabolite 28 hours)
Time for plasma concentration to decrease by 50%
Protein Binding
97-99%
Fraction bound to plasma proteins
Therapeutic Index
Wide
Margin between therapeutic and toxic doses