Can People with Diabetes Fast During Ramadan? Understanding Your Safety Risk

Fasting during the holy month of Ramadan is a deeply cherished spiritual practice for millions of Pakistanis. When living with diabetes, the desire to participate in fasting alongside family and community is natural and profound — and for many people with diabetes, fasting safely is genuinely possible with the right preparation.

However, medical science and Islamic jurisprudence agree on a fundamental principle: your health and safety come first. Islam explicitly grants medical exemptions (Rukhsah) to individuals whose health would be endangered by fasting. This article walks through how doctors and Islamic scholars, working together as the IDF-DAR (Diabetes and Ramadan) International Alliance (opens in a new tab), assess who can fast and who should consider an exemption, so you can have an informed conversation with your own physician.

The IDF-DAR Risk Categories

The International Diabetes Federation and the Diabetes and Ramadan (DAR) International Alliance (opens in a new tab) publish practical clinical guidelines that stratify people with diabetes into risk tiers before Ramadan. The most recent edition (2021) groups patients into low-, moderate-, and high-risk bands, building on the traffic-light framework used in earlier guidance. Many clinics, including centres in Pakistan, still describe these bands informally as red, orange, and yellow to make the message intuitive:

These categories are not a rigid formula — they are a starting point for a conversation with your doctor, who will weigh your specific history, recent lab results, and how your body has responded to previous fasts (including outside Ramadan, such as intermittent fasting).

The 6 to 8 Week Pre-Ramadan Doctor Consultation

If you plan to fast, schedule a pre-Ramadan consultation with your doctor 6 to 8 weeks before the month begins. Structured pre-Ramadan education is one of the most consistently evidence-backed interventions in this field — studies summarised by groups such as the Baqai Institute of Diabetology and Endocrinology (BIDE) (opens in a new tab) in Pakistan show that patients who attend a dedicated pre-Ramadan session have measurably fewer severe hypoglycemia and DKA events during the month than those who fast without preparation. Your physician will typically review:

• Your Recent HbA1c and Kidney Function: Confirming your baseline stability and screening for complications that would push you toward a higher risk category.
• Medication and Insulin Timing Adjustments: Shifting primary doses to Iftar to match your new eating hours, and often reducing basal insulin doses to lower hypoglycemia risk during the fasting hours.
• Hypoglycemia Education: Reviewing warning signs, the exact glucose thresholds that mean you must stop fasting, and what to do in an emergency.
• A Personalised Fasting Plan: Deciding how many days you might safely attempt, and agreeing in advance which symptoms mean you should break your fast that day without guilt or hesitation.

What Happens During the Fast: Ongoing Monitoring

A pre-Ramadan risk category is not a one-time decision — it should be revisited throughout the month. If you are in the yellow (moderate/low risk) group and choose to fast, plan to check your blood sugar several times a day, particularly in the mid-afternoon and pre-Iftar window when hypoglycemia risk peaks. Our companion article on [what happens to your blood sugar while fasting](/blog/what-happens-to-blood-sugar-while-fasting-monitoring-and-breaking-fast) covers the exact thresholds at which the IDF-DAR guidelines say you must break your fast for safety, and confirms that finger-prick testing does not invalidate the fast.

“Fasting is a journey of spiritual devotion—caring for the body Allah entrusted to you is part of that devotion.”

If You Decide to Fast Against Medical Advice

Many people in the orange (high-risk) category choose to fast despite medical advice, often for reasons of faith and family. If this describes your situation, the IDF-DAR guidelines (opens in a new tab) still recommend structured precautions: more frequent glucose checks than a lower-risk person would need, a written plan agreed with your doctor for exactly when to stop, keeping fast-acting sugar and your phone within reach at all times, and telling a family member so you are not fasting entirely alone. The goal is to reduce harm as much as possible, not to argue you out of a decision that is ultimately yours and your doctor's to make together.

Prepare your logs before your pre-Ramadan clinic visit

Log your blood glucose trends in Diatic over the weeks leading into Ramadan to review with your endocrinologist.

See your patterns (opens Diatic on Google Play in a new tab)