Mr. Myers is 70-year-old veteran who was prescribed Clindamycin antibiotic for seven days to treat his tooth abscess. Four days after he finished the clindamycin, he developed severe diarrhea, an upset stomach, nausea, and pain in the lower abdomen. He went to the Emergency Room and his stool was tested for C. diff. The result was positive. What are the risk factors that might have caused Mr. Myers to acquire positive for stool c.diff? Please check all that apply. A. Tooth abscess B. 70-year-old C. Antibiotic treatment for 7 days D. All of the above
