A 50yo man has had anterior resection of the rectum for carcinoma

A 50yo man has had anterior resection of the rectum for carcinoma. He expressed concerns
about control of post-op pain in discussions with the anaesthetist before surgery. What is the
best management strategy?
a. Oral diclofenac
b. Oral codeine
c. IM morphine
d. IM dihydrocodeine
e. Ondansetron oral
Ans. The key is C. IM morphine. [Some post operative pain is severe pain which needs strong opioid
analgesic].