Ctn 10 Pill–  is a white, round tablet containing 10 milligrams of cetirizine, a non-sedating antihistamine that works by blocking histamine (H-1) receptors. Histamine is a substance responsible for many of the signs and symptoms that accompanies allergic reactions, for example, swelling of the lining of the nose, sneezing, and itchy eyes. The medication is […]