Community medical question

Took harpic 3 months back which was washed and treated. After one month stomach problems arose, including pain, vomiting, stopped taking meals, kept on liquids yet vomiting occurs. Weight loss from 48 to 33 kg. Now if any thing is eaten, vomiting starts after 2 hours. Treated at larkana and gastro ward of SUIT CH Karachi. Still in hospital at SUIT CHK.