SIVEXTRO vs VELOSEF '500'

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. SIVEXTRO and VELOSEF '500' 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	SIVEXTRO	VELOSEF '500'
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	TEDIZOLID PHOSPHATE	CEPHRADINE
Manufacturer	Cubist Pharms LLC	Ersana
Dosage forms	Injectable, Tablet	Capsule
Drug class	—	—
Boxed warning	None	None
Treats	Staphylococcal Infections, Streptococcal Infections, Bacterial Skin Diseases	Escherichia Coli Infections, Klebsiella Infections, Proteus Infections

sivextro velosef '500'

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

TEDIZOLID PHOSPHATE

CEPHRADINE

Manufacturer

Cubist Pharms LLC

Ersana

Dosage forms

Injectable, Tablet

Capsule

Drug class

—

Boxed warning

None

Treats

Staphylococcal Infections, Streptococcal Infections, Bacterial Skin Diseases

Escherichia Coli Infections, Klebsiella Infections, Proteus Infections

Frequently asked questions

What is the difference between Sivextro and Velosef '500'?

Sivextro contains Tedizolid Phosphate, while Velosef '500' contains Cephradine — 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.