What are the signs and symptoms of botulism?

Updated: Feb 15, 2019
  • Author: Kirk M Chan-Tack, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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More than 90% of patients with botulism have 3-5 of the following signs or symptoms:

  • Nausea

  • Vomiting

  • Dysphagia

  • Diplopia

  • Dilated/fixed pupils

  • Extremely dry mouth unrelieved by drinking fluids

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