From: Safety and feasibility of intranasal heroin-assisted treatment: 4-week preliminary findings from a Swiss multicentre observational study
n, %
Baseline
Week-4 follow-up
Stuffy nose
21 (40.4)
17 (32.7)
Runny nose
29 (55.8)
32 (61.5)
Reduced or altered sense of smell
14 (26.9)
Burning or itchy nose
7 (13.5)
5 (9.6)
Nose pain
3 (5.8)
4 (7.7)
Epistaxis