Harmful If Swallowed is the first CD/DVD set from American comedian Dane Cook. It was released on July 22, 2003.The attached DVD contains Dane's appearances on Comedy Central Presents (both the edited-for-television and unedited hour-long versions), Comics Come Home 5, and Premium Blend.As of April 16, 2008, the album has sold 1,215,409 copies in the US alone.