If there is no expiration date on a bottle, call your pharmacy to find out what to do. Flush all old medications down the toilet instead of throwing them into a garbage can. Goodman and Gilman's The Pharmacological Basis of Therapeutics. Therapeutic Principles in Practice. Medicine is a constantly changing science and not all therapies are clearly established.
New research changes drug and treatment therapies daily.
However, as medical science is constantly changing and human error is always possible , the authors, editors, and publisher or any other party involved with the publication of this article do not warrant the information in this article is accurate or complete, nor are they responsible for omissions or errors in the article or for the results of using this information. The reader should confirm the information in this article from other sources prior to use. In particular, all drug doses, indications, and contraindications should be confirmed in the package insert. Prescription Medicine, Understanding Please email us with any comments you have on our new chapter format.