Product Profile & Review

FDA APPROVEDPRESCRIPTION

Alprostadil Urethral Suppository

An FDA-approved non-oral option that delivers alprostadil via a small pellet into the urethra.

Also known as: MUSE (brand)

Written by
SynMale Editorial
Originally Published
October 2026
Last Updated
October 2026
Medical Review
Not yet independently reviewed
Executive Summary
What is it?
Prescription intraurethral pellet (Other ED Treatment).
What does it contain or claim to contain?
Alprostadil (verified)
How well verified is this specific product?
Well Established
Most important thing to know
Approved non-tablet option for people who cannot use PDE5 inhibitors.
B
SynMale Evidence Grade
Good Supporting Evidence
How we grade products →
Ingredient
Alprostadil
Product Type
Prescription intraurethral pellet
Regulatory Status
FDA Approved
Verification
Well Established
02

What Is It?

A prescription product that delivers alprostadil locally, avoiding both tablets and needle injection.

03

Claimed Active Ingredients

  • Alprostadil
    125–1000 mcg
    VERIFIED INGREDIENT

A claimed ingredient is what a label or seller states. It is not treated as confirmed.

04

What Can We Verify?

Established

  • FDA-approved with controlled-trial evidence.

Uncertain or unverified

  • Efficacy is generally lower than injection.
05

How It Works

Alprostadil (prostaglandin E1) raises cAMP in smooth muscle, relaxing it and increasing blood flow independent of PDE5.

06

Evidence Level

BGood Supporting Evidence

Grades run from A (strong clinical evidence) to F (unsupported or contradicted). How we grade.

07

Clinical Profile

Drug Class
Prostaglandin E1 analogue
Typical Onset
About 5–10 minutes
Effective Window
About 30–60 minutes
Typical Medical Dosing
As prescribed
Food Interaction
None
Daily vs On-Demand
On-demand
08

Benefits / Potential Advantages

  • Option for people who cannot take PDE5 inhibitors
  • No needle
09

Limitations

  • Lower success rates than injection
  • Local discomfort is common
10

Side Effects & Precautions

Common effects

Penile or urethral pain, minor urethral bleeding, dizziness.

Major interactions & warnings
  • • Priapism possible—seek care for erections over 4 hours.
  • • Fainting and low blood pressure have been reported.
11

Regulatory Status

FDA ApprovedFDA Cleared DeviceNot FDA ApprovedDietary SupplementCompounded MedicationForeign-Market MedicationUnknownUnverified

FDA-approved prescription product.

Risk & Verification Summary

Evidence Grade
B — Good Supporting Evidence
Verification Level
Well Established
Regulatory Status
FDA Approved
Risk Level
Low

No numerical performance score is shown because reliable performance data does not exist for this product.

SynMale Verdict
LEGITIMATE

An approved, useful alternative for selected patients, though less effective than injections for many.

Bottom Line

What You Should Know

This is an approved non-tablet option. It can suit people who cannot use PDE5 inhibitors. It is generally less effective than injection and can cause local discomfort.