Essential Hypertension (mild to moderate): Usual Adult Dosage: 100-200 mg once a day. The dosage may be adjusted depending on the patient's age and symptoms.
Angina Pectoris, Variant Angina Pectoris: Usual Adult Dosage: 100 mg once a day. In case of insufficient efficacy, the dosage may be increased to 200 mg once a day.
Patients should be instructed not to open or chew the capsules.