Managing MS. Doesn't take it t?

The patient is suffering from primary progressive multiple sclerosis. It was diagnosed around 2007. Symptoms and current condition- Patient has difficulty in walking and uses aids like walker, minimal impact on cognitive abilities, is also suffering from 'fits' which are kept as bay by taking levereticetam tablets (verocet 250mg once a day) - if the tablet is discontinued even for a day or two - fit occurs. Taking verocet further worsens the symptoms of MS - to give an example ; last year around June the patient was taking 500mg x 2 tablets of verocet everyday, due to this he wasn't able to walk at all, couldn't sit for a long period of time, at times of physical exertion vision also became weak, minimal bladder control and high spasticity in muscles. Therefore we reduced the dose of Verocet and the condition has dramatically improved although MS symptoms are still very much there with lesser intensity. So we are stuck with verocet as a necessary evil. If the patient doesn't take it t