Table 2.

Reported adverse events.

	Patient 1	Patient 2	Patient 3
Severity	Mild	Mild	Severe
Indication	Forearm fracture	Forearm fracture	Severe hip pain
Age in years	12.5	12.8	14.2
Weight in kg	40	47	90
Chronic condition	None	None	None
Administered IN fentanyl dose in µg/kg	1.5	1.4	1.9
Comedication	None	None	None
Adverse event	Vertigo	Vertigo	Syncope, hypoxia
Necessary measures	None, self-limited	None, self-limited	O2-support with rapid recovery