“…[135][136][137] TIRF is the treatment of choice for BTcP due to its pharmacological properties, including rapid onset, increased potency and short half-life. 4,26,138 Conversely, oral immediate-release opioids can be used to treat slow-onset or predictable BTcP. 34,35,139 Furthermore, both TIRF and oral morphine can be prescribed to manage procedural pain, administered according to their onset of action (10-15 and 30 min, respectively).…”