| Score | Wheal | Pruritus |
|---|---|---|
| 0 | None | None |
| 1 | Mild(<20 wheals/24h) | Present but annoying or troublesome |
| 2 | Moderate(20-50 wheals/24h) | Troublesome but dose not interfere with normal daily activity or sleep |
| 3 | Intense(>50 wheals/24h or large confluent areas of wheals) | Severe pruritus, which is sufficiently troublesome to interfere with normal daily activity or sleep |