Appetite, loss of

Eupatorium Perf 30, in wet dose, twice a day for one week. Then the same medicine in 200c in wet dose, once in 4 days restores digestive disorders and regain appetite.
See Indigestion
Day1: Silicea 30 - 1 dose
2 following days: Calc Hypo Phos 3x (Tablets), twice or 3 times a day
Repeat the above cycle.
 Works great, even on the 1st day  
For long term digestion problem, take Pancreatinum 1300 (Solaray), during each food, for 3 weeks.
You can also take Antimonium Crud 30, every night and Pulsatilla 30, every morning for 1 to 2 weeks