The invention encompasses methods of using racemic and enantiomerically pure norfluoxetine, as well as pharmaceutical compositions, pharmaceutical unit dosage forms, and kits comprising racemic and enantiomerically pure norfluoxetine. In particular, the invention encompasses a method of inhibiting or reducing the production of PGE₂. The invention further encompasses a method of treating or preventing inflammation in a patient, as well as a method of treating or preventing a disease or disorder such as, but not limited to, autoimmune diseases, arthritis, neurologic diseases, inflammatory diseases, fibromyalgia, pain resulting from inflammation, neuropathic pain, and cancer.