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Evaluation of Skin Reactions
| Skin reaction | Score |
|---|---|
| Erythema formation | |
| None | 0 |
| Very slight erythema | 1 |
| Well-defined erythema | 2 |
| Moderate to severe erythema | 3 |
| Severe erythema and scar formation | 4 |
| Edema formation | |
| None | 0 |
| Very slight edema | 1 |
| Slight edema (edges of area well defined by definite raising) | 2 |
| Moderate edema (area raised approximately 1 mm) | 3 |
| Severe edema (raised more than 1 mm and extending beyond area of exposure) | 4 |
