my father was going through asthama for the last 15years and parkinson for the last 6 months.taking medicins for asthama are esiflow 250,tiate,veloz 20,deriphylline retard, for parkinson-syndopaplus,syndopa cr,Qpen50,parkidine.now he lost appetite,no soildfood taking,liquids with difficulty.age 70 yrs.what should we do.