Which medications in the drug class Neuromuscular blocker agents are used in the treatment of Acquired Nystagmus?

Updated: Oct 17, 2018
  • Author: Christopher M Bardorf, MD, MS; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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Neuromuscular blocker agents

Blocks neuromuscular transmission at cholinergic junctions by preventing release of acetylcholine from nerve terminals. Decreases nystagmus and improves visual acuity. [22]

OnabotulinumtoxinA (BOTOX®)

Treats excessive, abnormal contractions associated with blepharospasm. Binds to receptor sites on motor nerve terminals and inhibits release of acetylcholine, which, in turn, inhibits transmission of impulses in neuromuscular tissue.

Reexamine patients 7-14 d after initial dose to assess for response. Increase doses 2-fold over previous one for patients experiencing incomplete paralysis of target muscle. Do not exceed 25 U when giving it as single injection or 200 U as cumulative dose in 30-day period.

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