Table 6.

Events seen after naloxone administration in the prehospital setting [Yealy et al. 1990].

Event	Number reported (percentage of 813)	Comment
Generalized tonic-clonic seizure	1 (0.1%)	Underlying seizure disorder
Vomiting	2 (0.2%)	One patient received ipecac
Significant hypertension*	1 (0.1%)	Total dose 1.2 mg
SBP increases > 30 mmHg	7 (0.9%)	Systolic blood pressure (SBP) between 100 and 160 mmHg
Significant hypotension**	2 (0.2%)

No patient had ventricular tachycardia, fibrillation, or asystole; pulmonary edema was not assessed.

^*If SBP increased by more than 30 mmHg and above 160 mmHg.

^**If SBP decreased to less than 120 mmHg and dropped by 30 mmHg.