Fig. 9From: Antihistamine effects and safety of fexofenadine: a systematic review and Meta-analysis of randomized controlled trialsLine analogue rating scales for sedation: a fexofenadine vs. the first-generation antihistamines; b fexofenadine vs. the second-generation antihistamines. 1st gen AH the first-generation antihistamines, 2nd gen AH second generation antihistaminesBack to article page