Resources Print Mayo Clinic StoreNewsletter: Mayo Clinic Health LetterWebsitesNewsletter: Mayo Clinic Health Letter — Online EditionRequest an Appointment at Mayo Clinic In-DepthNews from Mayo Clinic Nov. 30, 2016 Share on: FacebookTwitter References Ray CG, et al. Apicomplexa and microsporidia. In: Sherris Medical Microbiology. 6th ed. New York, N.Y.: The McGraw-Hill Companies; 2014. http://www.accessmedicine.com. Accessed Sept. 19, 2016. Longo DL, et al., eds. Protozoal intestinal infections and trichomoniasis. In: Harrison's Principles of Internal Medicine. 19th ed. New York, N.Y.: McGraw-Hill Education; 2015. http://accessmedicine.com. Accessed Sept. 19, 2016. Leder K, et al. Epidemiology, clinical manifestations, and diagnosis of cryptosporidiosis. http://www.uptodate.com/home. Accessed Sept. 19, 2016. Parasites — Cryptosporidium: Prevention & control. Centers for Disease Control and Prevention. http://www.cdc.gov/parasites/crypto/prevention-control.html. Accessed Sept. 19, 2016. Levinson W. Intestinal and urogenital — protozoa. In: Review of Medical Microbiology and Immunology. 14th ed. New York, N.Y.: McGraw-Hill Education; 2016. http://www.accessmedicine.com. Accessed Sept. 19, 2016. Leder K, et al. Treatment and prevention of cryptosporidiosis. http://www.uptodate.com/home. Accessed Sept. 19, 2016. RelatedChildren's swimmingLiver function testsNausea and vomitingUnexplained weight lossDiarrhea Cryptosporidium infectionOverviewSymptoms & causesDiagnosis & treatmentDiagnosisTreatmentPreparing for your appointmentSelf-managementMore aboutIn-DepthResourcesNews from Mayo Clinic Advertisement Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Advertising & Sponsorship Policy Opportunities Ad Choices Mayo Clinic Store Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. The Mayo Clinic Diet BookMedical News From a Trusted SourceMayo Clinic on Healthy AgingA New Perspective on Alzheimer'sThe Mayo Clinic Diet Online Diagnosis & treatmentRequest an AppointmentDiagnosisTreatmentPreparing for your appointment CON-20164036 Patient Care & Health Information Diseases & Conditions Cryptosporidium infection