''C. difficle'' become overpopulated, and begin to produce pathogenic strains producing toxins, namely enterotoxin and cytotoxin. These may cause [[diarrhoea]], and abdominal pains, or pseudomembranous colitis (PMC) under more severe circumstances. | ''C. difficle'' become overpopulated, and begin to produce pathogenic strains producing toxins, namely enterotoxin and cytotoxin. These may cause [[diarrhoea]], and abdominal pains, or pseudomembranous colitis (PMC) under more severe circumstances. |