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3 different Botulinum toxins type A are
available in UK
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Botox®,
manufactured by an American company Allergan in a vial of
100 units and 200 units and Vistabel manufactured by
Allergan in a 50 units vial
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Dysport ,
manufactured by a French company Ipsen in a vial of 500 and
300 units.
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Xeomin ,
manufactured by a German company Merz in a vial of 100 units
The units of these 3 Botulinum toxins are not
equivalent. An approximate conversion can be done as follows:
1 unit Botox= 1 unit Xeomin= 3 units Dysport.
The brand name Botox
is used in the common language as a generic abbreviation to
cover the different Botulinum toxins type A (Botox, Dysport,
Xeomin) the same way that Kleenex became the synonym of
disposable tissue.
1 Botulinum toxin type
B is available in UK
Neurobloc is
commercialized by EisaiLtd in a vial of 5000 and 10000 units and
has the license for cervical dystonia. It’s also used when
patients nbecame resistant to BTX type A
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