Diclofenac IM Versus Tramadol IV in Acute Renal Colic, RCT

"Arm Drug1 :Diclofenac 75 mg (3 ml) IM injection by doctor, then followed by normal saline 20 ml IV injection (equal to Tramadol diluted) by nurse.~Arm Drug2 :Normal saline 3 ml IM injection by doctor (equal to Diclofenac 75 mg), then followed by Tramadol 50 mg (1 ml) dilute with normal saline 19 ml (total 20 ml )IV injection by nurse."