Table 1: -Item Pruritus Severity Scale.

QuestionPossible answersScoring

(1)How often did you feel pruritus within the last 3 days? (i) All time3 points
(ii) All morning/afternoon/evening/night long itch episodes2 points
(iii) Occasionally, short itch episodes1 point

(2)Did pruritus hinder your ability to do simply things, like watching TV, hearing music, etc.?(i) Yes
(ii) No
1 point
0 points

(3)Did you feel irritated or nervous because of your itching?(i) Yes
(ii) No
1 point
0 points

(4)Did your pruritus cause you depressed?(i) Yes
(ii) No
1 point
0 points

(5)Did your pruritus impede your work or learning abilities?(i) Yes
(ii) No
1 point
0 points

(6)Did you scratch your skin because of itching?(i) Yes
(ii) No
1 point
0 points

(7)Did scratching bring you relief?(i) Yes
(ii) No
0 points
1 point

(8)Were you able to refrain from scratching?(i) Yes
(ii) No
0 points
1 point

(9)Did you wake up during last night because of pruritus?(i) No
(ii) Yes, 1-2 times
(iii) Yes, 3-4 times
(iv) Yes, 5 and more times
0 points
1 point
2 points
3 points

(10)Could you assess the severity of your pruritus within last 3 days?(i) Very mild
(ii) Mild
(iii) Moderate
(iv) Severe
(v) Very severe
1 point
2 points
3 points
4 points
5 points

(11)Could you indicate pruritus location?(i) Single locations of pruritus
(ii) Large body areas
(iii) Generalized pruritus
1 point
2 points
3 points

(12)Are excoriations or other scratch lesions present?(i) Yes
(ii) No
1 point
0 points