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The adult dosage for oral use is 4 mg of silodosin twice daily after breakfast and evening meal. The dosage may be reduced according to the patient's conditions.
Precautions: The plasma concentration of silodosin may be elevated in patients with impaired hepatic function. It has been reported that plasma concentration of silodosin is increased in patients with impaired renal function. Therefore, starting treatment at a low dose (2 mg/dose) while observing the condition of the patient, for instance, should be considered. (See Pharmacology: PHARMACOKINETICS under Actions.)
