Herbesser/Herbesser 60: Angina pectoris, variant angina pectoris: The usual adult dosage for oral use is 30 mg of diltiazem hydrochloride three times a day (90 mg/day). The dosage may be increased to 60 mg three times a day (180 mg/day), if necessary.
Essential hypertension (mild to moderate): The usual adult dosage for oral use is 30 to 60 mg of diltiazem hydrochloride three times a day (90 - 180 mg/day). The dosage may be adjusted depending on the patient's age and symptoms.
Herbesser R100: Angina pectoris, variant angina pectoris: Usually, for adults, 100 mg to 200 mg of Diltiazem hydrochloride is orally administered once daily.
Essential Hypertension (mild to moderate): The dosage may be adjusted according to the patient's age and symptoms.