Drug Information Branch prepare these information based on the drug’s approved package insert. The package insert is written for health care providers. It contains very detailed information about the drug. The manufacturer prepares this information and FDA approves it.

You can read the drug’s complete package insert.  Also, some drugs will have detailed FDA-approved information that is prepared especially for patients. When a drug has this information, you will see a special link to it at the bottom of each consumer drug information sheet.