hi greetings from healthcare magic , I have read your query in detail chronic pancreatitis causes damage to the part of of pancreas which aids in food absorption , resulting in malabsorption , which is the reason that even after taking proper food you feel weak and pain. followings measures can be helpful : analgesics like paracetamol for pain relief pancreatic enzymes are available for replacement which aids in digestion and prevents malabsorption endoscopy to rule out further damage and requirement of surgery If complications like pseudocyst and fistula are present get your blood sugars checked as pancreatitis causes diabetes on long standing course . also stop alcohol and smoking if you are on them now hope this help , feel free to ask for any further query . regards dr ankit chauhan