Alternatives to Alfuzosin XR If You Can't Fill Your Prescription

If your pharmacy is out of Alfuzosin XR, or if you're experiencing side effects that make you want to explore other options, there are several effective alternatives available. This guide covers FDA-approved alternatives for benign prostatic hyperplasia (BPH), how they compare to Alfuzosin XR, and what questions to ask your doctor before making any switch. Never change medications without consulting your prescriber first.

What Makes Alfuzosin XR Unique Among BPH Medications?

Before looking at alternatives, it helps to know what makes Alfuzosin XR distinct. Alfuzosin hydrochloride extended-release 10 mg is an alpha-1 adrenergic blocker — it relaxes the smooth muscle in the prostate and bladder neck to improve urine flow. It's taken once daily with food and requires no dose titration (you start at the full 10 mg dose from day one).

Alfuzosin XR's standout feature compared to other alpha-blockers is its very low rate of ejaculatory side effects — approximately 1-3%, compared to 8-18% for tamsulosin and over 20% for silodosin. This makes it a preferred choice for sexually active men who want to avoid ejaculatory problems.

Alpha-Blocker Alternatives to Alfuzosin XR

The following medications work by the same mechanism as Alfuzosin XR and are FDA-approved to treat BPH:

Tamsulosin (Flomax) — The Most Commonly Prescribed Alpha-Blocker

Tamsulosin is the most widely prescribed medication for BPH in the United States and is considered a first-line treatment by most urologists. Like Alfuzosin XR, it is taken once daily and available as an inexpensive generic (often $4-$15/month with coupons).

Dose: 0.4 mg once daily (can increase to 0.8 mg), taken 30 minutes after the same meal each day

Advantage over Alfuzosin XR: Lower risk of orthostatic hypotension; widely available; very affordable

Disadvantage: Higher rate of retrograde ejaculation and abnormal ejaculation (8-18%) compared to alfuzosin

Silodosin (Rapaflo) — Most Selective Alpha-1A Blocker

Silodosin is the most uroselective alpha-blocker available, meaning it very specifically targets receptors in the prostate with minimal effects on blood vessels. This makes it effective at improving urinary symptoms but comes at the cost of high rates of ejaculatory dysfunction.

Dose: 8 mg capsule once daily with a meal (4 mg for patients with moderate renal impairment)

Advantage: Minimal blood pressure effects; may provide faster relief of urinary symptoms

Disadvantage: Retrograde ejaculation occurs in more than 20% of patients; generic costs $30-$80/month

Doxazosin (Cardura) — Good for BPH Plus High Blood Pressure

Doxazosin is a non-selective alpha-1 blocker that treats both BPH and hypertension. It requires dose titration (starting at 1 mg and increasing as tolerated up to 8 mg). It's one of the least expensive BPH medications available — often $1-$8/month as a generic.

Advantage: Very affordable; also lowers blood pressure, which can be a benefit for men with hypertension

Disadvantage: Higher risk of dizziness and orthostatic hypotension; requires slow dose titration; not recommended for men with normal blood pressure

Terazosin (Hytrin) — Another Non-Selective Option

Terazosin is an older non-selective alpha-1 blocker that, like doxazosin, is FDA-approved for both BPH and hypertension. It is taken once daily, usually at bedtime to minimize orthostatic hypotension. Dose titration is required starting at 1 mg.

Non-Alpha-Blocker Alternatives for BPH

If you can't take any alpha-blocker, or if your prostate is significantly enlarged, your doctor may consider one of the following:

Finasteride (Proscar) / Dutasteride (Avodart): 5-alpha reductase inhibitors that actually shrink the prostate over 3-6 months. Best for men with larger prostate glands. May be combined with an alpha-blocker.

Tadalafil (Cialis) for BPH: FDA-approved for BPH symptoms at a 5 mg daily dose; also treats erectile dysfunction; should be used with caution if you are also taking an alpha-blocker due to risk of low blood pressure.

What to Tell Your Doctor When Asking About an Alternative

When you contact your prescriber about switching medications, be ready to share:

Your current Alfuzosin XR dose and how long you've been taking it

Your blood pressure readings — some alpha-blockers affect BP more than others

Whether ejaculatory side effects are a concern for you

Any other medications you're taking, especially blood pressure drugs, HIV antiretrovirals, or antifungals

Whether the switch is temporary (while you find your Alfuzosin XR) or permanent

If you're still trying to locate Alfuzosin XR before considering a switch, read our guide: How to Find Alfuzosin XR in Stock Near You. And to save money on your prescription once you find it, check out our post on how to save money on Alfuzosin XR in 2026.