MYSOLINE vs VIEKIRA PAK (COPACKAGED)

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 8, 2026·How we rate

Possible drug interaction. MYSOLINE and VIEKIRA PAK (COPACKAGED) 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	VIEKIRA PAK (COPACKAGED)
Rating	74/100	72/100
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	DASABUVIR SODIUM AND OMBITASVIR, PARITAPREVIR, RITONAVIR
Manufacturer	Valeant Pharm Intl	Abbvie
Dosage forms	Tablet	Tablet
Drug class	Anti-Epileptic Agent	—
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	—

mysoline viekira pak (copackaged)

Rating

74/100

72/100

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

DASABUVIR SODIUM AND OMBITASVIR, PARITAPREVIR, RITONAVIR

Manufacturer

Valeant Pharm Intl

Abbvie

Dosage forms

Tablet

Drug class

Anti-Epileptic Agent

—

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

—

Frequently asked questions

Which is better-rated, Mysoline or Viekira Pak (Copackaged)?

By our independent rating, Mysoline scores higher — 3.7 vs 3.6 out of 5 for Viekira Pak (Copackaged). Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Mysoline and Viekira Pak (Copackaged)?

Mysoline contains Primidone, while Viekira Pak (Copackaged) contains Dasabuvir Sodium and Ombitasvir, Paritaprevir, Ritonavir — 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.