Terazosin detailed information
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| Image:Terazosin.svg | |
| Terazosin detailed information
| |
| Systematic (IUPAC) name | |
| [4-(4-amino-6,7-dimethoxy-quinazolin-2-yl) piperazin-1-yl]- tetrahydrofuran-2-yl-methanone | |
| Identifiers | |
| CAS number | |
| ATC code | G04 |
| PubChem | |
| DrugBank | |
| Chemical data | |
| Formula | C19H25N5O4 |
| Mol. mass | 387.433 g/mol |
| Pharmacokinetic data | |
| Bioavailability | ? |
| Protein binding | 90-94% |
| Metabolism | ? |
| Half life | 12 hours |
| Excretion | ? |
| Therapeutic considerations | |
| Pregnancy cat. |
? |
| Legal status | |
| Routes | ? |
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Terazosin (Hytrin) is a selective alpha 1 antagonist used for treatment of symptoms of an enlarged prostate (BPH). It also acts to lower the blood pressure, and is therefore a drug of choice for men with hypertension and prostate enlargement.
It works by blocking the action of adrenaline on smooth muscle of the bladder and the blood vessel walls.
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.[1] Sexual side effects are rare, but may include priapism or erectile dysfunction.
References
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
