Patient: Hi my dad is diabetic, he has insulin three times a day. he’s blood sugar is always up and down sometimes it is 20 and sometimes it is 2. it is not stable, the main problem he has now is he has lot of gas, he’s stomach is hard as rock all the time. he does exercise forty minutes a day walk. could you please tell me what ics causing the sugar flucate so much and what is causing the gas problem thankyou