Imam Luqman Ahmad Mosque Without Borders

بسم الله الرحمن الرحيم و الصلاه والسلام على رسول صلى الله عليه وسلم و بعد:
Question: Should you fast Ramadan if you are a diabetic?

Answer: Whether a diabetic can fast during Ramadan is a deeply personal decision, but medically, it depends entirely on your individual health status. The key is that it must be a shared decision made with your doctor, not a decision you make alone.

Islamic teachings exempt those with certain chronic illnesses from the obligation to fast, so your health always comes first.

Here is a breakdown of the risks, who should not fast, and how to manage fasting safely if you are medically cleared.

First, assess your risk level
Before considering a fast, you need a professional medical assessment ideally 6-8 weeks before Ramadan. This visit helps your healthcare team determine your risk category. Here are the general risk categories based on guidelines from the Saudi and Singapore Ministries of Health :

Risk Level Description Fasting Recommendation
Very High Risk
If you’ve had severe hypo/hyperglycemia or diabetic ketoacidosis (DKA) in the last 3 months, poor type 1 (T1D) control, dialysis, acute illness, poorly controlled type 2 (T2D) with complications, you should not fast.
High Risk Well-controlled
T1D, well-controlled T2D on insulin or sulfonylureas, chronic kidney disease (CKD) stage 3, or intense physical labor Do Not Fast
Moderate/Low Risk Well-controlled
T2D managed by diet, metformin, or other specific meds like SGLT-2 inhibitors or DPP-4 inhibitors, then you may fast with medical Supervision


What Are the Main Health Risks of Fasting While Diabetic?

Fasting with diabetes is not the same as fasting for a person without the condition. The major risks include:
· Hypoglycemia (Low Blood Sugar): Your risk is highest, especially in the late afternoon before breaking the fast.
· Hyperglycemia (High Blood Sugar): Often happens after large, carb-heavy meals at Iftar and Suhoor.
· Dehydration and Blood Clots: This is a major concern with no water intake during daylight hours. Blood clots can lead to stroke.
· Diabetic Ketoacidosis (DKA): A life-threatening emergency more common in Type 1 diabetes if insulin is mismanaged.

A Practical Guide to Fasting Safely
If you are in a low or moderate-risk group and your doctor agrees you can fast, you must follow a structured plan. Here are the essential components:

1. Medical & Medication Management
· Do not stop or change your medication on your own.
· Work with your doctor to adjust doses and times. For example, long-acting insulin may be taken at Iftar with a reduced dose.
· If you take sulfonylureas (like gliclazide), your doctor will likely advise you not to take them during fasting hours to prevent hypos.

2. Nutrition and Hydration
· Suhoor (Pre-dawn meal): Eat as late as possible before dawn. Focus on slow-digesting complex carbs (like whole grains), protein, and healthy fats.
· Iftar (Breaking the fast): Start with 1-2 dates and water, then have a balanced meal. Avoid overeating and go slow to prevent blood sugar from spiking.
· Hydration: Drink plenty of water between Iftar and Suhoor. Aim for at least 8 glasses and avoid sugary or caffeinated drinks .

3. Physical Activity

· Avoid strenuous exercise during the last hours of the fast, as this significantly increases the risk of hypos and dehydration.
· Light-to-moderate activity, like walking after Iftar or even Taraweeh prayers, is safe and encouraged .

When You MUST Break the Fast

Fasting is an act of worship, but preserving life is a higher priority. You must break your fast immediately if any of the following occur, even if it is before sunset :
· Your blood glucose level drops to < 70 mg/dL (3.9 mmol/L) .
· Your blood glucose level rises to > 300 mg/dL (16.7 mmol/L) .
· You feel symptoms of a hypo (trembling, sweating, confusion) or become acutely unwell/dehydrated.

Important Note on Monitoring Your Blood Sugar:

Pricking your finger to check your blood sugar does not break your fast. In fact, it is essential for your safety that if you are diabetic and fasting that you check your blood glucose level often, especially if you are at higher risk . Deciding to fast is a balance between faith and health. Use this information to have an informed conversation with your doctor. They can help you make the best decisions for your unique situation.

What to do if you cannot fast for medical reasons:

If the illness or medical condition is temporary, then you would not fast on the days you are sick on incapacitated, and make up the days at a later time.

If the illness is chronic or permanent (like diabetes) then you should feed a needy person for each day that you didn’t fast.

Wal Allahu al-Musta’aan.

May Allah sub’haanahu wa ta’ala accept our observance of the Month of Ramadan. Ameen.
Imam Luqman Ahmad
Imamabulaith@yahoo.com