Types of Communication Flow. Communication, defined as the exchange of information and ideas, manifests itself in business and other organizations with four main types communication flow. These are upward, downward, horizontal, and multi-directional. All are important to the success of an organization. The main method of communication depends upon its structure.
Lipitor (Pfizer), Atorvastatin (INN), is a member of the drug class known as statins, used for lowering blood cholesterol. It also stabilizes plaque and prevents strokes through anti-inflammatory and other mechanisms.
Lipitor (atorvastatin) is a cholesterol-lowering statin created by Pfizer that has been linked to liver damage, elevated liver enzyme levels, liver failure, and death. The U.S. Food and Drug Administration (FDA) warned about the risk of liver damage in 2009 and again in 2012.