more comments on Beta-interferon-1a is believed to suppress the autoimmune destruction of myelin. Slows accumulation of disability and decreases the frequency of clinical exacerbations (Joy & Richard B. Johnston, 2001). Gabapentin helps gabapentin works by binding to proteins called voltage-gated calcium channels on certain nerve cells, which influence how those nerves release their neurotransmitters. It helps treat nerve pain, dysesthesia, spasticity, and vision (Maria Joao Almeida, 2016). Oxybutynin is an antispasmodic that helps decrease muscle spasms of the bladder and the frequent urge to urinate caused by these spasms (