The present technology is related to reducing or treating neurological swelling and related conditions with SUR1-TRPM4 channel inhibitors. In some embodiments, the methods include: reducing late neurological deterioration or preventing death, reducing cerebral midline shift, reducing the degree of disability in a subject, counteracting blood glucose levels in a subject receiving a SUR1-TRPM4 channel inhibitor, preventing brain swelling, monitoring liver enzyme activity along with treating injury or conditions related to CNS edema, or monitoring cardiac activity along with treating injury or conditions related to CNS edema.