1 Retrieved October 12 2015 from http://www.acronymfinder.com/Topiramate-(medicine)-(TPM).html. 2  APA style: TPM. (n.d.) Acronym Finder. ( 3 2015). 4  Retrieved October 12 2015 from http://www.acronymfinder.com/Topiramate-(medicine)-(TPM).html.