Table 2.

Adverse Events at Baseline (9 breaths/dose) and Follow-up Visits.

Adverse effect	Baseline (%) (n=80)	Follow-up 1 (%) (n=49)	Follow-up 2 (%) (n=39)
Cough	31 (38.8)	10 (20.4)	7 (17.9)
Headache	23 (28.8)	7 (14.3)	5 (12.8)
Other	16 (20.0)	4 (8.2)	5 (12.8)
Flushing	13 (16.3)	2 (4.1)	3 (7.7)
Nausea/vomiting	6 (7.5)	0 (0.0)	2 (5.1)
Throat irritation	6 (7.5)	1 (2.0)	0 (0.0)
Diarrhea	5 (6.3)	3 (6.1)	3 (7.7)
Lightheadedness	4 (5.0)	3 (6.1)	0 (0.0)
Syncope	1 (1.3)	0 (0.0)	0 (0.0)
Hypotension	1 (1.3)	0 (0.0)	1 (2.6)