FLOMAX vs RYZUMVI

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. FLOMAX and RYZUMVI are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	FLOMAX	RYZUMVI
Rating	New	New
Pharmacy pays	~$1.52 /30	—
Type	RX	RX
Active ingredient	TAMSULOSIN HYDROCHLORIDE	PHENTOLAMINE MESYLATE
Manufacturer	Sanofi	Famygen Life Sci
Dosage forms	Capsule	Drops
Drug class	Alpha-Adrenergic Blocker	Alpha-Adrenergic Blocker
Boxed warning	None	None
Half-life	about 14 to 15 hours	—
Treats	Prostatic Hyperplasia	Extravasation of Diagnostic and Therapeutic Materials, Malignant Hypertension, Necrosis

flomax ryzumvi

Rating

New

Pharmacy pays

~$1.52 /30

—

Type

Active ingredient

TAMSULOSIN HYDROCHLORIDE

PHENTOLAMINE MESYLATE

Manufacturer

Sanofi

Famygen Life Sci

Dosage forms

Capsule

Drops

Drug class

Alpha-Adrenergic Blocker

Boxed warning

None

Half-life

about 14 to 15 hours

—

Treats

Prostatic Hyperplasia

Extravasation of Diagnostic and Therapeutic Materials, Malignant Hypertension, Necrosis

Frequently asked questions

What is the difference between Flomax and Ryzumvi?

Flomax contains Tamsulosin Hydrochloride, while Ryzumvi contains Phentolamine Mesylate — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.