A pharmaceutical composition containing cannabis for increasing energy levels and/or alleviating fatigue in a patient. Also provided are a use of the pharmaceutical composition for increasing energy levels and/or alleviating fatigue in a patient, and methods for increasing energy levels and/or alleviating fatigue. The pharmaceutical composition preferably includes a combination of therapeutically effective amounts of one or more of the following medicinal ingredients: cannabis, an herb, vitamins, and/or fructose.