Recommended changes for insulin therapy for patients with type 2 diabetes during Ramadan
| Prior to Ramadan | During Ramadan |
| If taking insulin with sulfonylureas (SU) | Consider stopping SU. |
| For any insulin | Try to titrate and establish dose to achieve adequate glycemic control prior to start of Ramadan and then adjust dose during Ramadan accordingly. |
| Basal insulin | |
| Once a day | Take with Iftaar meal, but consider a 20% reduction from usual dose. |
| Twice a day | Take the usual morning dose with Iftaar meal and 50% of the usual evening dose for Suhoor meal. |
| Rapid-acting analogues | Take the usual morning dose with Iftaar meal, skip the usual lunch time dose and take 50% of the usual evening dose for Suhoor meal if required. |
| Premixed insulins | Take the usual morning dose with Iftaar meal and 50% of the usual evening dose for Suhoor meal. Skip the usual lunch time dose if on three times a day regimen. |