As Ramadan approaches, many Muslims prepare spiritually for the sacred month of fasting. For most healthy adults, fasting from dawn to dusk is safe and can even promote discipline, reflection, and healthier habits.
However, from a clinical perspective, one important question must be asked early: is fasting safe for you as an individual living with diabetes?
The truth is simple: fasting may not be equally safe for all persons living with diabetes. Your medical history matters.
Ramadan fasting changes eating patterns, hydration routines, sleep cycles, and medication timing and sometimes medication dosages for people living with diabetes.
For healthy individuals, the body adapts well. However, people living with diabetes, especially those with other chronic conditions, may face serious risks such as dehydration, unstable blood sugar, and worsening of underlying disease.
Individuals living with diabetes who should seek medical advice before fasting include those who also have:
Kidney disease
Heart disease or uncontrolled hypertension
Pregnancy or breastfeeding
Recurrent ulcers, severe anaemia, or chronic fatigue
A recent hospitalization or unstable condition
Religious exemptions exist because some individuals are at higher risk. From a medical perspective, this is a safety measure meant to prevent harm.
Diabetes Management During Ramadan
Diabetes requires careful attention during fasting. The risk is not only high blood sugar, but also dangerously low blood sugar (hypoglycaemia), which can occur silently and become life-threatening.
If you have diabetes and plan to fast, your pre-Ramadan plan should include:
A doctor’s assessment (ideally 6–8 weeks before Ramadan, where possible)
Medication adjustment (especially insulin and sulfonylureas)
A clear glucose monitoring schedule
Knowing when to break the fast safely
Diet modification and light physical activity planning
A doctor’s assessment is important because it helps determine your individual risk level for fasting.
Breaking the fast is medically necessary if blood sugar drops too low or rises dangerously high. Monitoring your glucose does not invalidate fasting, it protects life.
Mental Health and Wellbeing During Ramadan
Ramadan can be deeply healing emotionally. Many people report increased peace, gratitude, and spiritual clarity. However, fasting can also disrupt sleep and intensify stress, especially for those managing anxiety, depression, or burnout.
Mental wellbeing during Ramadan improves when people prioritize:
Adequate sleep
Reduced caffeine dependency
Light physical activity
Community connection and emotional support
Spiritual growth is strongest when the body and mind are supported, not neglected.
Kidney Health While Fasting
Kidneys depend heavily on hydration. For individuals with healthy kidney function, fasting is often safe if fluid intake is managed properly between Iftar and Suhoor. But for those with kidney disease, fasting can increase the risk of dehydration, electrolyte imbalance, and kidney strain.
To support kidney health:
Drink water consistently between Iftar and bedtime
Limit salty foods and processed snacks
Reduce fizzy drinks and excess caffeine
Avoid intense exercise during the hottest hours
Fasting should not become a silent cause of kidney damage.
Balanced Nutrition for Suhoor and Iftar
Ramadan is not only about when you eat, but what you eat. Many people experience fatigue, bloating, hyperacidity, and sugar spikes after Iftar due to heavy meals, excess sugar, and eating too quickly.
Dates are commonly used to break the fast, but for individuals living with diabetes, it is best to take them in moderation (such as one small date), as they contain natural sugars. Pairing them with protein or healthy fats such as nuts (almonds, walnuts) can help reduce rapid sugar absorption.
A healthy Suhoor should include:
Complex carbohydrates (oats, brown rice, whole grains)
Protein (eggs, beans, yoghurt)
Fruits, vegetables, and water
A healthy Iftar should focus on:
Breaking the fast gently (water, soup, small portions)
Avoiding sugar spikes from excess pastries, sweet drinks, and fruit juices
Eating slowly and in sequence, starting with vegetables, then proteins, then carbohydrates
The Importance of Wellness Check-Ups
Ramadan should not be your first health test of the year. A wellness check-up helps detect silent conditions like uncontrolled diabetes, hypertension, fatty liver, or kidney strain.
If you live with chronic illness, a pre-Ramadan check-up can be life-saving, not just for fasting safety, but for long-term wellbeing.
Ramadan is a month of mercy. Your health is also a trust. Fast with wisdom, plan with science, and remember that when it comes to health, less is often more.
Dr Rilwan Adan is a Metabolic Health Clinician, Lions Sight First Eye Hospital
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