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. Author manuscript; available in PMC: 2021 Apr 9.
Published in final edited form as: Gastroenterology. 2020 Oct 1;160(1):183–192.e3. doi: 10.1053/j.gastro.2020.09.038

Table 4.

Adverse Events Reported Up to 1 Month After Fecal Microbiota Transplantation

Adverse event n (%)
Common symptoms of any severity with >2% prevalence
 Diarrhea 69 (30)
 Abdominal pain 39 (17)
 Bloating 34 (15)
 Constipation 24 (10)
 Nausea and/or vomiting 15 (6)
Severe symptoms
 Diarrhea 5 (2)
 Abdominal pain 4 (2)
 Bloating 1 (<1)
 Constipation 1 (<1)
 Other 2 (1)
New infections
 None 219 (95)
 Unrelated to FMT 9 (4)
 Possibly related to FMT 2 (1)
Bacteroides fragilis 1 (<1)
 Enteropathogenic Escherichia coli 1 (<1)
 Not reported 1 (<1)
Hospitalizations
 None 204 (88)
 Unrelated to FMT 24 (10)
 Possibly related to FMT 3 (1)
 Perforation 1 (<1)
 Ulcerative colitis flare 1 (<1)
 Diarrhea, abdominal pain, fever 1 (<1)