Demazin Cold + Flu Relief Day + Night Tablets provide temporary around-the-clock relief from blocked or runny nose, sinus pain, fever, headache, and body aches. They work in four ways: decongestant to unblock a stuffy or runny nose, analgesic to relieve body aches and sore throat, reducing fever, and antihistamine to relieve itchy, watery eyes and nose. The night-time tablets are designed to provide relief from watery, itchy eyes, runny nose, and sore throat to help you get a restful night's sleep. Adults and children 12 years and over can take 2 Day tablets every 4-6 hours as necessary, with a maximum daily dose of 6 Day tablets in 24 hours. For night-time relief, adults and children 12 years and over can take 2 Night tablets at bedtime as necessary, with a maximum daily dose of 2 Night tablets in 24 hours. Always read and follow the directions for use, as incorrect use could be harmful. Phenylephrine may cause sleeplessness.