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Risk factors for relapse (occurs in 10%-25% of cases1)
| Prolonged antibiotic usage |
| Prolonged hospitalization |
| Age > 65 yr |
| Diverticulosis |
| Comorbid medical condition(s) |
1Increased risk of relapse with increased number of relapses. Kelly CP, Lamont JT. Up-to-date May 2008.
