TEMBEXA vs TPOXX

Independent side-by-side comparison.

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

Possible drug interaction. TEMBEXA and TPOXX 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	TEMBEXA	TPOXX
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	BRINCIDOFOVIR	TECOVIRIMAT
Manufacturer	Emergent Biodefense	Siga Technologies
Dosage forms	Suspension, Tablet	Capsule, Injectable
Drug class	—	Orthopoxvirus Vp37 Envelope Wrapping Protein Inhibitor
Boxed warning	Boxed warning	None
Treats	Smallpox	Smallpox

tembexa tpoxx

Rating

New

Pharmacy pays

—

Type

Active ingredient

BRINCIDOFOVIR

TECOVIRIMAT

Manufacturer

Emergent Biodefense

Siga Technologies

Dosage forms

Suspension, Tablet

Capsule, Injectable

Drug class

—

Orthopoxvirus Vp37 Envelope Wrapping Protein Inhibitor

Boxed warning

None

Treats

Smallpox

Frequently asked questions

What is the difference between Tembexa and Tpoxx?

Tembexa contains Brincidofovir, while Tpoxx contains Tecovirimat — 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.