Traditional Chinese medicine for foot pain in a patient with complex regional pain syndrome: A case report

Table 1 Budapest criteria

Budapest consensus criteria for the clinical diagnosis of CRPS		Signs and symptoms of the patient
(1) Continuing pain, which is disproportionate to any inciting event		Yes
(2) Report at least one symptom in three of the following four categories
-Sensory	Reports of hyperesthesia and/or allodynia	Hyperesthesia and allodynia in the left foot
-Vasomotor	Reports of temperature asymmetry and/or sweating changes and/or sweating asymmetry	Bluish skin discoloration
-Sudomotor/edema	Reports of edema and/or sweating changes	Edema of the left foot
-Motor/trophic	Reports of decreased ROM and/or motor dysfunction (weakness, tremor, and dystonia) and/or trophic changes (hair, nail, and skin)	Difficulty in walking and weight bearing in the left foot
(3) Display at least one sign at the time of evaluation in two of the four following categories
-Sensory	Evidence of hyperalgesia and/or allodynia	Hyperalgesia and allodynia in the left foot
-Vasomotor	Evidence of temperature asymmetry and/or skin color changes and/or asymmetry	Cyanosis in left foot and asymmetric cutaneous discoloration
-Sudomotor/edema	Evidence of edema and/or sweating changes and/or sweating asymmetry	Left foot edema
-Motor/trophic	Evidence of decreased ROM and/or motor dysfunction (weakness, tremor, and dystonia) and/or trophic changes (hair, nail, and skin)	Decrease in active ROM during left toe dorsiflexion
(4) There is no other diagnosis that better explains the signs and symptoms		Yes

CRPS: Complex regional pain syndrome; ROM: Range of motion.

Table 2 Herbal medicine used for treatment

Name	Formula	Dose-length
Baekhaoleejung-tang	Cynanchi Wilfordii Radix, Cinnamomi Ramulus, Zingiberis Rhizoma, Atractylodis Rhizoma Alba, Paeoniae Radix, Citri Unshius Pericarpium,Glycyrrhizae, Radix et Rhizoma	January 2 to 12 (11 d)
Hyangsayangwi-tang	Ginseng Radix, Paeoniae Radix, Pinelliae Tuber, Citri Unshius Pericarpium, Crataegi Fructus, Amomi Fructus Rotundus, Atractylodis Rhizoma Alba, Glycyrrhizae Radix et Rhizoma, Cyperi Rhizoma, Zingiberis Rhizoma, Amomi Fructus, Zingiberis Rhizoma Recens, Zizyphi Fructus	February 16 to 25 (10 d)