Business, incapacity for

Meanings: -- Incapacity (n): lack of power in performance.
Interpretation: -- Feeling of incapability for business or lack of power of performance for business.

Versions :- " My work do interest me but I do not feel, I have the required energy to accomplish it.Therefore I cannot do it."
Medicine is :- agn- caust. chinin-s- falco-pe- gels- kali-bi- 
limen-b-c- mit- sel- sul-i- tab-