a transdermal / transcutaneous delivery system to deliver tetrahydrocannabinol and related compounds , comprising of gel , film and reconstituted liquid for topical application . the delivery system may contain polymethacrylic acid , carbopol , polyethylene glycol 8000 , propylene glycol , water , alcohol , acetone , caprylic acid , caproic acid , oleic acid , lauric acid , isopropyl myristate , triethanolamine , and mixtures thereof . this formulation can be used as an analgesic , antiemetic , antiglaucoma medication , arthritis treatment and prevention of weight loss treatment associated with aids . it can also be used for treating dementia and multiple sclerosis . the present formulation avoids the problems associated with oral administration , patient compliance and potential abuse associated with other routes of administration of thc .