Efficacy Study of Different Analgesic Options in Kidney Stone Pain Management

Abdominal pain is one of the most common presentations to an emergency department (ED). Among patients presenting with abdominal pain, a common diagnosis in the Middle East is renal colic (urolithiasis or Kidney stones). As the patients with renal colic writhe around in agonizing pain, the first priority in an ED from a patient's perspective is fast and safe analgesia and to be pain free as early as possible. There are variations in physician preference to choose initial analgesic drug for managing such pain. Commonly used drugs are: * Opioids such as Morphine or Fentanyl * Non steroidal drugs such as Diclofenac, Ketorolac or Brufen * and Paracetamol intravenous injection. A robust evidence in comparison of diclofenac versus morphine and paracetamol is lacking. This study is design to obtain data on efficacy of these three drugs within 30 minutes in a non inferiority trail.