Although dystonia is thought to be rare, it is possibly undiagnosed or misdiagnosed due to lack of specific clinical criteria. While focal dystonia, such as blepharospasm or cervical dystonia can affect people at any age, most people first experience symptoms in middle age.

According to an epidemiology study conducted in Rochester, Minn., focal dystonia (which includes cervical dystonia, and may be characterized by twisting of the neck, and blepharospasm, or excessive eyelid spasm)is estimated to affect 295 per million people in the U.S.

About XEOMINIn nature, Clostridium botulinum produces the toxin in association with ancillary accessory proteins. Manufacturers utilize this naturally occurring protein complex to produce therapeutic botulinum toxin products. Merz has introduced XEOMIN (incobotulinumtoxinA), manufactured using a proprietary process that isolates the therapeutic component and eliminates accessory proteins.

XEOMIN is the only botulinum toxin that does not require refrigeration prior to reconstitution. XEOMIN
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