Uncomplicated diverticulitis will often respond to simple analgesia and dietary alteration. Consider no antibiotics with worsening advice in patients who are systemically well. 

Drug details

Co-trimoxazole

AND 

Metronidazole

960mg BD

 

400mg TDS

5 days

Alternative e.g. allergy, CKD: 

Cefalexin

PLUS

Metronidazole

 

500mg TDS

 

400mg TDS

 

5 days