3.Medications like phenytoin, an anticonvulsant, uses liver and kidney hydroxylase enzymes for its own metabolism, so especially with long term use, there's not enough vitamin D being generated.
4.The anti-anxiety drug diazepam, an anticonvulsant medication called gabapentin, and the muscle relaxer baclofen can be used to ease the spasms and stiffness that accompany SPS, according to the National Institute of Neurological Disorders and Stroke.