My wife had a stroke in march 2016, left side weak, having problems swallowing. Dizziness and having a hard time focusing. Has movement on all limbs. Has a J tube for feeding just placed in yesterday. What medicine can she take to give her Strength and force her to pay attention to what she need to do, with P/T O/T and Speech. She can talk hear just a very weak person, 59 yrs old 187lbs, RN for 40+ years