Dosage: Edema: Usual Initial Dose: 25-200 mg daily in 1-3 divided doses.
Maintenance Dose: 25-100 mg daily as single or divided doses.
Hypertension: Adults: Usual Initial Dose: 12.5-50 mg once daily.
Maintenance Dose: 25-100 mg once daily.
Administration: Hydrochlorothiazide is administered orally.
Individualize therapy according to patient response. Use the smallest dosage necessary to achieve the required response.