Figure 2.

Frequencies of the three most frequently recorded disease-specific symptoms. The severity of each symptom was documented on a 4-point Likert scale (0 = absent, 1 = mild, 2 = moderate, 3 = severe) by the treating physician or natural health practitioner at start and end of treatment. Valid data for pruritus, n = 31; for rhinitis, n = 26; and for restlessness, n = 15.