Sign Out
Precautions Concerning Indications: Caution should be paid to the point that the treatment with this product is a symptomatic treatment, not causal therapy. If the expected effect is not noted, surgical therapy or other alternative procedures should be considered.
The diagnosis and treatment of benign prostatic hyperplasia should be carried out in reference to the latest information such as academic societies' guidelines, etc.
Precautions Concerning Dosage and Administration: Elderly patients are more likely to experience renal dysfunction. Such patients should be carefully monitored. If expected effect is not noted at dosage of 0.2mg, the dose should not be increased further, and other appropriate measures should be taken. [See Precautions Concerning Patients with Specific Backgrounds: Use in the Elderly as follows.]
Important Precautions: Overdosage may cause a decrease in blood pressure. Use with caution concerning dosage.
Blood pressure in the orthostatic position may decrease. Patients must be watched for any changes in blood pressure occurring with postural change. [See Precautions Concerning Patients with Specific Backgrounds: Patients with Complication or History of Diseases, etc.: Patients with orthostatic hypotension as follows.]
Since this product may induce symptoms such as dizziness, patients should be instructed to exercise caution against engaging in hazardous activities, such as working at altitudes or driving a car.
Before the start of treatment, patients should be asked whether they are taking any antihypertensive agents. If any such drugs are used, changes in blood pressure should be monitored closely. If a decrease in blood pressure is observed, appropriate measures such as a reduction in the dose or discontinuation of this product should be taken. [See Precautions for Co-administration under Interactions.]
Other Precautions: Information Based on Clinical Uses: Intraoperative floppy iris syndrome has been reported in patients currently taking or having a history of treatment with α1-blockers.
Precautions Concerning Patients with Specific Backgrounds: Patients with Complication or History of Diseases, etc.: Patients with orthostatic hypotension: Symptoms may be aggravated. [See Important Precautions as previously mentioned.]
Patients with a past history of hypersensitivity to sulfonamide: An allergic reaction may occur.
Patients with Renal Impairment: Patients with severe renal impairment: Plasma concentration of this product may be increased. [See Pharmacology: Pharmacokinetics: Patients with Specific Backgrounds: Patients with renal impairment under Actions.]
Patients with Hepatic Impairment: Patients with severe hepatic function disorder: Plasma concentrations of this product may be increased.
Use in the Elderly: Elderly patients often have reduced renal function. [See Precautions Concerning Dosage and Administration as previously mentioned and Pharmacology: Pharmacokinetics: Patients with Specific Backgrounds: Patients with renal impairment under Actions.]
