<p>Butamirate Citrate acts directly on the brain&#39;s cough center to suppress cough. Butamirate Citrate is safe and non-sedating which is neither chemically nor pharmacologically related to opium alkaloids. Butamirate Citrate is rapidly and completely absorbed after oral administration. Maximum concentration is reached within 9 hours with the sustained-release tablet. This is extremely protein-bound and plasma elimination half-life is about 13 hours. The active metabolites of Butamirate Citrate have also antitussive action.</p>