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Demulcent
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<p>A demulcent is a <a href="/facts/Mucilage/y7Da78J4">mucilaginous</a> or oleaginous preparation that forms a soothing protective film over a <a href="/facts/Mucous_membrane/oIw0vyel">mucous membrane</a>, relieving minor pain and inflammation of the <a href="/facts/Membrane/FDlaJe23">membrane</a>. However, they generally help for less than 30 minutes. </p><p>Demulcents are sometimes referred to as <a href="/facts/Mucoprotective/xdA7bgWU">mucoprotective</a> agents. Demulcents such as <a href="/facts/Pectin/nQF6T0Q7">pectin</a>, <a href="/facts/Glycerin/sRQ6NBQQ">glycerin</a>, <a href="/facts/Honey/jnRSlNEF">honey</a>, and <a href="/facts/Syrup/sYS48lTx">syrup</a> are common ingredients in cough mixtures and cough drops. </p>