Alfuzosin
Medication
alpha-1 blocker
other
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Prescribed for an enlarged prostate (bph)
When to take
HealthHub: after food, a new dose started at bedtime
Take with
Food · FDA label: with the SAMe meal each day
Pros & cons
Pros
- HealthHub: relaxes prostate and bladder-exit muscles
- FDA label: one 10 mg tablet once daily
- HealthHub: first-dose dizziness usually settles
Cons
- HealthHub: dizziness, light-headedness or fainting
- HealthHub: drowsiness can affect driving
- FDA: floppy iris during cataract surgery
Sources
- HSA — Listing of Registered Therapeutic Products (data.gov.sg open dataset, 5,511 rows, cached locally at /tmp/hsa_all.json and filtered locally) · read 2026-08-27
what it says
“All 3 registered alfuzosin products carry Forensicclassification 'Prescription Only' — SIN11579P XATRAL XL TABLET 10 mg · SIN13984P RANFUZOSIN MODIFIED RELEASE TABLETS 10MG · SIN15512P APO-ALFUZOSIN PROLONGED RELEASE TABLET 10mg (ATC G04CA01)”
- HealthHub (Pharmaceutical Society of Singapore) — Alfuzosin: what is this medication for · read 2026-08-27
what it says
“Alfuzosin belongs to a group of medications known as alpha-1 blockers. It is used to treat benign prostatic hyperplasia … The medication works by relaxing the muscles of the prostate gland and bladder exit”
- HealthHub — Alfuzosin: how should I take or use this medication · read 2026-08-27
what it says
“This medication should be taken after food … Do not crush or chew the tablet … The first tablet of a new dose should be taken at bedtime, and subsequently at the same time each day.”
- HealthHub — Alfuzosin: what precautions should I take · read 2026-08-27
what it says
“You have heart problems … You ever feel dizzy or faint when you stand up … You are undergoing cataract eye surgery … You are taking medications belonging to PDE-5 Inhibitors class such as Sildenafil, Tadalafil”
- HealthHub — Alfuzosin: common side effects · read 2026-08-27
what it says
“Dizziness, light-headedness or fainting … These side effects usually go away and should not return once you have become used to taking your medication. Drowsiness — May affect your ability to drive”
- HealthHub — Alfuzosin: what food or medication should I avoid · read 2026-08-27
what it says
“Avoid drinking alcohol as it may increase the risk of dizziness, light-headedness or drowsiness.”
- US FDA label for UROXATRAL (alfuzosin HCl extended-release tablets), sections 1–2, via openFDA drug/label.json (effective 2024-12-05) · read 2026-08-27
what it says
“The recommended dosage is one 10 mg UROXATRAL (alfuzosin HCl) extended-release tablet once daily … Uroxatral should be taken with food and with the same meal each day … not indicated for use in the pediatric population”
- US FDA label for UROXATRAL, section 4 Contraindications, via openFDA · read 2026-08-27
what it says
“UROXATRAL is contraindicated for use: in patients with moderate or severe hepatic impairment (Childs-Pugh categories B and C) … with potent CYP3A4 inhibitors such as ketoconazole, itraconazole, and ritonavir”
- US FDA label for UROXATRAL, section 5 Warnings and Precautions, via openFDA · read 2026-08-27
what it says
“Postural hypotension/syncope … Use with caution in patients with severe renal impairment … Intraoperative Floppy Iris Syndrome (IFIS) during cataract surgery may require modifications to the surgical technique”
- US FDA label for UROXATRAL, section 7 Drug Interactions, via openFDA · read 2026-08-27
what it says
“Concomitant use of PDE5 inhibitors with alpha adrenergic antagonists, including UROXATRAL, can potentially cause symptomatic hypotension … UROXATRAL should not be used in combination with other alpha adrenergic antagonists”
Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.