Botulinum toxin type B for dynamic glabellar rhytides refractory to botulinum toxin type A.

@article{Alster2003BotulinumTT,
  title={Botulinum toxin type B for dynamic glabellar rhytides refractory to botulinum toxin type A.},
  author={Tina S. Alster and Jason R Lupton},
  journal={Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]},
  year={2003},
  volume={29 5},
  pages={516-8}
}
BACKGROUND Botulinum toxin type B (BTX-B; Myobloc) has recently been introduced for the treatment of dynamic rhytides. This serotype is structurally similar to botulinum toxin type A (BTX-A; Botox) and appears to produce equivalent muscular paralysis. Because of the fact that some patients may become resistant to the effects of BTX-A with its continued use or may require large doses of type A to exert adequate muscular paralysis, the use of BTX-B may prove beneficial in these cases. OBJECTIVE… CONTINUE READING

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