A high concentration baclofen solution is provided suitable for therapeutic use in a medical setting. A high concentration solution of baclofen in multivalent physiological ion solution such as artificial cerebrospinal fluid is provided with concentrations of baclofen of 10 mg/ml. Artificial cerebrospinal fluid is particularly advantageous as a baclofen solvent. A medical package is also provided for baclofen delivery to patients suffering from spasticity.
