MYSOLINE vs TAVNEOS

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 10, 2026·How we rate

Possible drug interaction. MYSOLINE and TAVNEOS 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	MYSOLINE	TAVNEOS
Rating	74/100	New
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	AVACOPAN
Manufacturer	Valeant Pharm Intl	Chemocentryx
Dosage forms	Tablet	Capsule
Drug class	Anti-Epileptic Agent	Complement 5a Receptor Antagonist
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis

mysoline tavneos

Rating

74/100

New

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

AVACOPAN

Manufacturer

Valeant Pharm Intl

Chemocentryx

Dosage forms

Tablet

Capsule

Drug class

Anti-Epileptic Agent

Complement 5a Receptor Antagonist

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis

Frequently asked questions

What is the difference between Mysoline and Tavneos?

Mysoline contains Primidone, while Tavneos contains Avacopan — 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.