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.
Sudafed Â® (pseudoephedrine hydrochloride) is a decongestant medication available without a prescription. Approved uses for Sudafed include: 1  Relieving nasal congestion due to allergies (such as hay fever) or the common cold. 2  Relieving sinus congestion and pressure. 3  Promoting nasal and sinus draining.