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What are the symptoms of cryptosporidium?

Page last updated 03 July 2020

The symptoms of cryptosporidium appear around one to 12 days after infection and may include:

  • Watery diarrhoea
  • Abdominal cramps
  • Bloating
  • Vomiting
  • Fever.

While symptoms last around 1-3 weeks in most people, it can be a serious illness for people with weakened immune systems.

Sources & Citations

  1. Centers for Disease Control and Prevention. Parasites – Cryptosporidium (also known as “Crypto”). General Information for the Public. Available at: (accessed 11 June 2020).
  2. Better Health Channel. Gastroenteritis – cryptosporidiosis. Available at: (accessed 11 June 2020).

MAT-AU-2000155 - Date of preparation June 2020