LSD is typically either swallowed or held under the tongue. It's most often sold on blotter paper and less commonly as tablets or in gelatin squares. There's no identified remedy for addiction, if it occurs. In tests done on the British Museum (and filmed by the BBC) in 1996, https://pure-aztec-crystal91357.ktwiki.com/1025246/the_definitive_guide_to_lsd_tabs_for_sale