Before taking Clarityne, tell a pharmacist or doctor if the patient has liver disease.
When should the patient consult a doctor: If undesirable effects listed in Adverse Reactions are experienced.
Effects on ability to drive or use machines: At the recommended dose, Clarityne is not expected to cause the patient to be drowsy or less alert. However, very rarely, some people experience drowsiness, which may affect their ability to drive or use machinery.