595469 Disclosed is a pharmaceutical composition comprising a compound capable of providing dihydroartemesinin and a pharmaceutically acceptable excipient consisting medium chain length triglycerides, short chain triglycerides, omega-3-marine triglycerides and fish oil, rich in omega-3-acids. The said composition is formulated for transmucosal sublingual, buccal or nasal dosage and useful for treatments of neoplasms, fluke infestations and Lyme disease.