{"id":"tamsulosin-hydrochloride-0-4-milligrams","safety":{"commonSideEffects":[{"rate":"8-18","effect":"Retrograde ejaculation"},{"rate":"2-5","effect":"Dizziness"},{"rate":"1-3","effect":"Headache"},{"rate":"1-3","effect":"Asthenia/fatigue"},{"rate":"1-2","effect":"Rhinitis"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Tamsulosin is a selective alpha-1A adrenergic antagonist that preferentially targets receptors in the lower urinary tract. By blocking these receptors, it reduces smooth muscle tone in the prostate and bladder neck, decreasing urethral resistance and improving urinary flow rate. This mechanism alleviates symptoms of benign prostatic hyperplasia without significantly affecting blood pressure.","oneSentence":"Tamsulosin selectively blocks alpha-1A adrenergic receptors in the prostate and bladder neck, relaxing smooth muscle to improve urine flow.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T00:11:11.229Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Benign prostatic hyperplasia with lower urinary tract symptoms"}]},"trialDetails":[],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":1,"rwe":[],"genericFilers":[],"relatedDrugs":[],"labelChanges":[],"biosimilarFilings":[],"pricing":[],"formularyStatus":[],"manufacturing":[],"companionDiagnostics":[],"competitors":[],"timeline":[],"patents":[],"ownershipHistory":[],"trials":[],"biosimilars":[],"latestUpdates":[],"references":[],"tags":[],"ecosystem":[],"genericManufacturerList":[],"offLabel":[],"developmentCodes":[],"aliases":["tamsulosin0,4mg"],"phase":"marketed","status":"active","brandName":"Tamsulosin Hydrochloride 0.4 milligrams","genericName":"Tamsulosin Hydrochloride 0.4 milligrams","companyName":"Pontificia Universidad Catolica de Chile","companyId":"pontificia-universidad-catolica-de-chile","modality":"Small molecule","firstApprovalDate":"","aiSummary":"Tamsulosin selectively blocks alpha-1A adrenergic receptors in the prostate and bladder neck, relaxing smooth muscle to improve urine flow. Used for Benign prostatic hyperplasia with lower urinary tract symptoms.","enrichmentLevel":3,"visitCount":1,"trialStats":{"total":1,"withResults":0},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":true,"safety":true,"trials":false,"score":3}}