BOTOX Injections (cont.)
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Other Forms of Botulinum Toxins
Introduced in 2009, Dysport (abobotulinumtoxinA, Medicis) is a competitor to Botox. This product is similar but not the same product as Botox. Additionally, it has different units of measurement, which roughly correlate to a 2.5 or 3:1 ratio of usage, meaning that 20 units of Botox would correlate to 50 or 60 units of Dysport.
Studies have shown a possible longer duration of Dysport than Botox and a quicker time of onset for it as well. So far, however, no head-to-head trials have been conducted.
The FDA approved Xeomin (incobotulinumtoxinA) in 2011 and it's roughly the same units as Botox according to their preparation guide. As with all toxins, there are clearly differences from one to another, so it is wise to assume that this may be variable from individual to individual and judge accordingly.
Joel Schlessinger, MD
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