. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: Neurol Clin. 2015 Feb;33(1):77–100. doi: 10.1016/j.ncl.2014.09.002

Table 6.

Comparison of the most common botulinum toxin formulations

	OnabotulinumtoxinA (Botox^™)	AbobotulinumtoxinA (Dysport^™)	IncobotulinumtoxinA (Xeomin^™)	RimabotulinumtoxinB (Myobloc^™)
FDA-approved indications for dystonia	blepharospasm, cervical dystonia	cervical dystonia	blepharospasm, cervical dystonia	cervical dystonia
Preparation	vacuum dried	freeze dried	powder	liquid
Available dose sizes (units)	100, 200	300, 500	50, 100	1000, 2500, 5000
Storage	refrigerate	refrigerate	room temperature	refrigerate
Approximate dose equivalency^*	1	2.5 – 3	1	40

As the first FDA-approved BoNT, onabotulinumtoxinA was arbitrarily defined as having a strength of 1. The relative strengths of the others are compared against this value.