Efficacy and Safety of Oxybuprocaine Hydrochloride Gel in Alleviating Pain during Male Urethral Catheterization: A Single-Center Randomized Controlled Study

Table 5

Adverse events (n = 96 in the test group).

Adverse events	N (%)
	Grade 1	Grade 2	Grade 3	Grade 4	All grades
Regional itching	5 (5.2%)	3 (3.1%)	0 (0%)	0 (0%)	8 (8.3%)
Erythema	4 (4.2%)	3 (3.1%)	0 (0%)	0 (0%)	7 (7.3%)
Dermatitis	4 (4.2%)	2 (2.1%)	0 (0%)	0 (0%)	6 (6.3%)
Elevated blood pressure	3 (3.1%)	1 (1.0%)	0 (0%)	0 (0%)	4 (4.2%)
Dizziness	2 (2.1%)	3 (3.1%)	0 (0%)	0 (0%)	5 (5.2%)
Headache	0 (0%)	1 (1.0%)	0 (0%)	0 (0%)	1 (1.0%)

Adverse events were reported in 96 patients in the test group after using oxybuprocaine hydrochloride gel.