IRCT20180530039917N2 IRCT 2019-03-05 Ahvaz University of Medical Sciences Comparison of Ketamine and Morphine in patients with renal colic Evaluation the therapeutic effects of intravenous Ketamine and intravenous Morphine in the treatment of patients with renal colic 2018-04-09 anticipated 136 Complete https://irct.ir/trial/33408 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: The block randomization method (with a block size of four) will be used, and a person unaware of the study objectives will seal the obtained codes in opaque envelopes and then the envelopes will be given to one of the researchers who has no role in the treatment or evaluation. Afterward, the researcher will provide syringes containing the solution base on the confidential codes and will give it to the physician to inject, Blinding description: Numbered drugs will be injected muscularly by the medical assistant. The analgesia degree based on the VAS method was registered by a blinded emergency resident. 4 Renal Colic. Intervention 1: Intervention group: A single dose of 0.3 mg/kg Intravenous Ketamine. Intervention 2: Intervention group: A single dose of 0.1 mg/kg Intravenous Morphine. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no further information