Prophylaxis of pneumothorax
Adult: As hydrochloride: 100 mg instilled once a day for 3-4 consecutive days.
Oral
Giardiasis
Adult: As hydrochloride: 100 mg tid for 5-7 days.
Child: As hydrochloride: 2 mg/kg tid for 5-7 days. Max dose: 300 mg daily.
Child: As hydrochloride: 2 mg/kg tid for 5-7 days. Max dose: 300 mg daily.
Oral
Lupus erythematosus
Adult: As hydrochloride: 100 mg once a day for the first 1-2 mth. Maintenance dose: Reduce to 25-50 mg once a day several times a wk, although occasional management with 100-200 mg once daily may be required.
Child: As hydrochloride: 1-2 mg/kg, up to 100 mg/day. Max dose: 100 mg daily.
Child: As hydrochloride: 1-2 mg/kg, up to 100 mg/day. Max dose: 100 mg daily.