|Trade names||Uroxatral, others|
|By mouth (tablets)|
|Elimination half-life||10 hours|
|Excretion||Feces (69%) and Urine (24%)|
|Chemical and physical data|
|Molar mass||389.456 g·mol−1|
|3D model (JSmol)|
Alfuzosin, sold under the brand name Uroxatral among others, is a medication used to treat benign prostatic hyperplasia (BPH). It may be less effective than other medications in its class. It may be used together with a 5α-reductase inhibitors. It is taken by mouth once per day.
Common side effects include lightheadedness, tiredness, and headache. Other side effects include low blood pressure and QT prolongation. Use is not recommended in those with significant liver problems. It is a α1 adrenergic receptor blocker and works by relaxing the muscles in the prostate and bladder neck.
Alfuzosin was patented in 1978 and approved for medical use in 1988. It was approved for medical use in the United States in 2003. In the United States it costs about 18 USD for 3 months. In 2017, it was the 266th most commonly prescribed medication in the United States, with more than one million prescriptions.
It is used to treat benign prostatic hyperplasia (BPH). It may be less effective than other medications in its class. It may be used together with a 5α-reductase inhibitors. It is taken by mouth once per day.
Use is not recommended for high blood pressure.
The most common side effects are dizziness (due to postural hypotension), upper respiratory tract infection, headache, fatigue, and abdominal disturbances. Side effects include stomach pain, heartburn, and congested nose. Adverse effects of alfuzosin are similar to that of tamsulosin with the exception of retrograde ejaculation.
Alfuzosin should be used with caution in people with severe chronic kidney disease, and should not be prescribed to patients with a known history of QT prolongation or those who are taking medications known to prolong the QT interval.
Alfuzosin contains a stereocenter and is therefore chiral. There are two enantiomeric forms, (R)-alfuzosin and (S)-alfuzosin. The drug is used as a racemate, (RS)-alfuzosin, a 1: 1 mixture of the (R)- and (S)-forms.
|Enantiomers of alfuzosin|
CAS number: 123739-69-5
CAS number.: 123739-70-8
It is provided as the hydrochloride salt.
Society and culture
It is marketed under the brand name Uroxatral, Xat, Xatral, Prostetrol and Alfural.
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- Uroxatral (alfuzosin HCl) Extended-Release Tablets Prescribing Information
- Alfuzosin (General information from the NIH)