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투여 경로

금기

• Hypersensitivity to tamsulosin
• Severe hepatic impairment
• History of orthostatic hypotension

이상반응

• Hypotension
• Lethargy
• Weakness
• Gastrointestinal upset (vomiting, diarrhea)
• Dizziness

약물 상호작용

• Other alpha-1 blockers (e.g., prazosin, phenoxybenzamine) · Additive hypotensive effects · major
• Calcium channel blockers (e.g., amlodipine) · Increased risk of hypotension · moderate
• Cimetidine · Decreased clearance of tamsulosin, potentially increasing plasma concentrations · minor

모니터링

• Urine output and ease of urination
• Blood pressure
• Renal function

과용량

Overdosage may lead to severe **hypotension**. Treatment is primarily supportive, including intravenous fluid therapy and potentially vasopressors if hypotension is refractory. Emesis or gastric lavage may be considered if ingestion is recent.