A Multicenter, Double-Blind, Randomized, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of Duliang Soft Capsule in Patients with Chronic Daily Headache

Table 4

Change in accompanying symptoms between DSC and placebo groups after treatment.

Symptoms	DSC group; (%)	Placebo group; (%)	values
Nausea	57 (16.86%)	14 (12.61%)	0.29
Vomiting	27 (7.99%)	8 (7.21%)	0.79
Photophobia	60 (17.75%)	23 (20.72%)	0.48
Phonophobia	119 (35.21%)	35 (31.53%)	0.48
Dizziness	126 (37.28%)	49 (44.14%)	0.20