MYSOLINE vs XDEMVY

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 9, 2026·How we rate

Possible drug interaction. MYSOLINE and XDEMVY 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	XDEMVY
Rating	74/100	New
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	LOTILANER
Manufacturer	Valeant Pharm Intl	Tarsus
Dosage forms	Tablet	Drops
Drug class	Anti-Epileptic Agent	Ectoparasiticide
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	—

mysoline xdemvy

Rating

74/100

New

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

LOTILANER

Manufacturer

Valeant Pharm Intl

Tarsus

Dosage forms

Tablet

Drops

Drug class

Anti-Epileptic Agent

Ectoparasiticide

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

—

Frequently asked questions

What is the difference between Mysoline and Xdemvy?

Mysoline contains Primidone, while Xdemvy contains Lotilaner — 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.