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Table 2 Symptoms score definitions

From: A four-way, double-blind, randomized, placebo controlled study to determine the efficacy and speed of azelastine nasal spray, versus loratadine, and cetirizine in adult subjects with allergen-induced seasonal allergic rhinitis

Score Grade Guideline
0 None No sign/symptom is evident
1 Mild Sign/symptom clearly present, but minimal awareness; easily tolerated
2 Moderate Definite awareness of sign/symptom that is bothersome, but tolerable
3 Severe Sign/symptom that is hard to tolerate; causes interference with activities during the challenge session