mrcem2-1500

A 7-year-old girl is brought to the Emergency Department by her father after falling at a park. Her ankle appears to be deformed, and it is suspected that she has a fracture in her distal fibula. Her pain is evaluated using a numerical rating scale, and the triage nurse informs you that she is experiencing moderate pain.
According to the RCEM guidance, which of the following analgesics is recommended for managing moderate pain in a child of this age?