Efficacy of Chinese Herbal Medicine in the Treatment of Moderate-Severe Painful Diabetic Peripheral Neuropathy: A Retrospective Study

Table 5

Frequency of common symptoms.

Main symptoms	Total frequency	Baseline	Month 3	Month 6
Limb pain	80	30	28	22
Limb numbness	68	28	24	16
Insomnia	48	24	15	9
Limb coldness	43	17	15	11
Difficulty walking	24	9	9	6
Blurred vision	19	7	7	5
Constipation	18	8	6	4
Fatigue	18	10	6	2
Limb heaviness	17	7	6	4
Chills	14	5	5	4