Symptoms usually appear 8 - 36 hours after consuming contaminated food. There is NO fever with this infection.
In adults, symptoms may include:
Symptoms in infants may include:
The doctor will perform a physical exam. There may be signs of:
Blood tests can be done to identify the toxin. A stool culture may also be ordered. Lab tests can be done on the suspected food to confirm botulism.
Bartlett JG. Clostridial infections. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier. 2007: chap 319.
Bleck TP. Clostridium botulinum (Botulism). In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 6th ed. Philadelphia, Pa: Churchill Livingstone Elsevier; 2005: chap 243.
Long SS. Clostridium botulinum (Botulism). In: Long SS, Pickering LK, Prober CG. Principles and Practice of Pediatric Infectious Diseases. 3rd ed. Philadelphia, Pa: Churchill Livingstone Elsevier; 2008: chap 189.
Centers for Disease Control and Prevention (CDC). Diagnosis and management of foodborne illnesses: a primer for physicians and other health care professionals. MMWR Recomm Rep. 2004;53(RR-4):1-33.