Distillation is the process of separating the component or substances from a liquid mixture by selective evaporation and condensation. Distillation may result in essentially complete separation (nearly pure components), or it may be a partial separation that increases the concentration of selected components of the mixture.
Prevacid is a drug used to treat several different conditions, such as gastroesophageal reflux disease, erosive esophagitis, and duodenal ulcers. As a proton pump inhibitor, this medication reduces the amount of acid in the stomach by blocking the acid production sites.
Bupivacaine is indicated for local infiltration, peripheral nerve block, sympathetic nerve block, and epidural and caudal blocks. It is sometimes used in combination with epinephrine to prevent systemic absorption and extend the duration of action. The 0.75% (most concentrated) formulation is used in retrobulbar block.