Cover of Prolapse #9 (2006).
Prolapse (later Relapse) is a British fanzine edited by Peter Weston.
Peter Weston had previously published Speculation. For his return to fanzine publishing, he originally launched Prolapse in 1983 as an apazine. In 2006, it was relaunched, and featured letters of comment on the previous two issues. With the fourth issue, Weston announced its focus from that point forward would be the history of British fandom.
Highlights include the many older fans who contribute, such as Brian Aldiss, Harry Harrison, George Locke (Smoke), Mike Moorcock (A Fanzine Called Eustace), and Christopher Priest.
Other contributors include Rob Henson (Chuch), Peter Nicholls, Stan Nicholls, Greg Pickersgill, Lloyd Penney (Torus).
Art work and photography were contributed by Sam Long, Andrew Stephenson.
Also included was an extensive letter column with long letters from Claire Brialey (Journey Planet, Jim Linwood (Typo), Joseph Nicholas (Vector), Mark Plummer (Banana Wings, Lloyd Penney (Torus),
Prolapse received the Nova Award for Best Fanzine in 2007 and 2008. It also received the FAAn Award for Best Fanzine in 2008. In early 2009, Weston amended the title to Relapse.