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| {{drugbox
| | #REDIRECT [[Terazosin#Pharmacology]] |
| | IUPAC_name = [4-(4-amino-6,7-dimethoxy-quinazolin-2-yl) piperazin-1-yl]- tetrahydrofuran-2-yl-methanone
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| | image = Terazosin.svg
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| | CAS_number = 63590-64-7
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| | ATC_prefix = G04
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| | ATC_suffix = CA03
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| | ATC_supplemental =
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| | PubChem = 5401
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| | DrugBank = APRD00667
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| | C=19 | H=25 | N=5 | O=4
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| | molecular_weight = 387.433 g/mol
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| | bioavailability =
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| | protein_bound = 90-94%
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| | metabolism =
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| | elimination_half-life = 12 hours
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| | pregnancy_category =
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| | legal_status =
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| | routes_of_administration =
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| }}
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| {{EH}}
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| '''Terazosin''' ('''Hytrin''') is a selective [[alpha 1 antagonist]] used for treatment of symptoms of an enlarged [[prostate]] ([[benign prostatic hyperplasia|BPH]]). It also acts to lower the [[blood pressure]], and is therefore a drug of choice for men with [[hypertension]] and prostate enlargement.
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| It works by blocking the action of [[adrenaline]] on [[smooth muscle]] of the [[urinary bladder|bladder]] and the [[blood vessel]] walls.
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| Most common side effects include dizziness, drowsiness, headache, constipation, loss of appetite, fatigue, nasal congestion or dry eyes, but they generally go away after only a few days of use. Therapy should always be started with a low dose to avoid [[first dose phenomenon]].<ref>[http://www.rxlist.com/cgi/generic/teraz_wcp.htm Hytrin (Terazosin Hcl) drug warnings and precautions - prescription drugs and medications at RxList<!-- Bot generated title -->]</ref> Sexual side effects are rare, but may include [[priapism]] or [[erectile dysfunction]].
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| ==References==
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| <references/>
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| {{Urologicals}}
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| [[Category:Alpha blockers]]
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| {{pharma-stub}}
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| [[fr:Térazosine]]
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| [[id:Terazosin]] | |
| {{WH}}
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| {{WS}}
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