Table 3 Detailed description of symptoms according to Traditional Chinese medicine
None | Mild | Moderate | Severe | |
|---|---|---|---|---|
Itch | No symptom | Occasional occurrence and no influence on study and life | Regular occurrence and have influence on study and life | Frequent occurrence and have serious influence on study and life |
Patterns of skin lesion | No symptom | Erythema, papules, or blisters | Oozing | Skin thickening (lichenification) |
Area of skin lesion | Calculated based on PASI score | |||
Restlessness | No symptom | Slight | Heavy | Heavy; irritable |
Dry mouth | No symptom | Slight; no need to drink water | Severe; need to drink water occasionally | Intolerable; need to drink water frequently |
Sleeplessness | No symptom | Slower falling asleep or occasional waking | Difficult to fall asleep and wake up easily | Hardly able to sleep |
Dry stool | No symptom | Dry stool; once per day | Dry stool, 1 time in 2–3 days | Difficult stool, > 3 days each time |
Scanty dark urine | No symptom | Urine volume is fine, slightly yellowish in colour | Small amount of urine, yellow colour, slightly hot | Scanty dark urine |