DrugDigest: Cetirizine ( Zyrtec )
Information on dosage, usage, side effects, interactions, and drug comparisons.
MedlinePlus: Cetirizine
Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations.
Zyrtec
US product prescribing information from Pfizer. (Requires Adobe Acrobat reader)
Zyrtec
Full prescribing information from RxList.
Zyrtec
Cetirizine HCl and pseudoephedrine HCl.
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