Question: I suffer from heart disease and I was subjected to electronarcosis in a hospital in Buraydah. The doctor prescribed continuous therapy for me. I find it too difficult to fast Ramadan. I also suffer from some other ailments in my abdomen, such as colitis and very severe constipation. I hope Your Eminence will give me a Fatwaa (legal opinion issued by qualified Muslim scholar) regarding fast and what I should do. May Allaah protect you!
Answer: You should make up for the days of Ramadaan you failed to fast when you recover from your illness. If this is an incurable illness, you should offer Kaffaarah (expiation) by feeding a poor person for each day of fast you missed. The amount of food you should give to a poor person is half a Saa` (1 Saa` = 3 kg. Approx.) of wheat, rice, or other such staple food… read more here.