Figure 4From: Effects of first and second generation antihistamines on muscarinic induced mucus gland cell ion transportA and C show that both cetirizine and fexofenadine had no effect on the response of gland cells to ACh. B and D: Concentration-response data generated from the peak increase in ΔIsc induced by ACh. Note the lack of effect of cetirizine and fexofenadine.Back to article page