Figure 2: Erythematous macules and papules on the chest of an atopic beagle 6 hours after application of a mixture of timothy grass and ragweed allergen. The chest area of this image would be scored as a 2 (moderate) for erythema, 2 for macules and 3 (severe) for papules. Thus the total score of this specific area would be a 7. All body areas would be scored with the same system and the total of all body areas would be the total clinical score of the dog.
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