Beyond blood glucose: recognising diabetes distress and decision fatigue

For healthcare professionals, diabetes management is often discussed in terms of glycaemic targets, medication optimisation and complication prevention. However, for people living with diabetes, successful self-management also relies on navigating a continuous stream of decisions every day. From food choices and glucose monitoring to medication adjustments and physical activity, diabetes requires sustained cognitive and emotional effort. This ongoing mental workload is increasingly recognised as a significant contributor to diabetes distress and decision fatigue.

Understanding these psychosocial factors can help you provide more effective, person-centred care and support long-term self-management.

The cognitive burden of diabetes

Unlike many health conditions that require intermittent attention, diabetes often demands constant engagement. People living with diabetes frequently assess and respond to multiple factors throughout the day, including:

• Food intake and meal timing
• Medication and insulin dosing
• Glucose trends and variability
• Physical activity
• The impact of illness, sleep and stress

These ongoing decisions require sustained attention, problem-solving and risk assessment. Over time, the cumulative mental effort can become overwhelming, particularly when glucose levels remain unpredictable despite a person’s best efforts. Many people describe feeling as though they are continuously “on duty” with their diabetes management.

Understanding diabetes distress

Diabetes distress refers to the emotional burden associated with managing diabetes and its daily demands. It commonly manifests as frustration, worry, burnout or feelings of being overwhelmed. Common experiences include:

• Frustration with fluctuating glucose levels
• Concerns about long-term complications
• Anxiety about hypoglycaemia
• Feeling constantly judged by glucose readings or clinical outcomes
• Frustration with the relentless nature of self-management
• Discouragement when outcomes do not reflect effort

Importantly, diabetes distress is distinct from clinical depression. Rather than representing a mental health disorder, it is generally viewed as a natural response to the ongoing challenges of living with a chronic condition. Recognising this distinction is important, as diabetes distress may be overlooked during routine clinical reviews despite its significant impact on self-management.

What the evidence tells us

Research over the past decade has highlighted the prevalence and clinical significance of diabetes distress. Studies suggest that approximately one-third of adults living with diabetes experience significant diabetes-related distress at some point. Higher levels of distress have also been associated with poorer self-management behaviours and greater difficulty achieving glycaemic targets.

The interaction between stress and glucose levels

Stress can influence both behaviour and physiology. Activation of stress pathways triggers the release of hormones including cortisol and adrenaline, promoting glucose release and increasing blood glucose levels.

For people living with diabetes, this physiological response can contribute to hyperglycaemia even when dietary intake or medication adherence have not changed. This may create a self-perpetuating cycle in which stress contributes to elevated glucose levels, and elevated glucose levels increase stress and frustration. Helping your clients understand this response can reduce self-blame and encourage more realistic expectations around glucose variability.

Decision fatigue and diabetes self-management

Decision fatigue occurs when repeated decision-making depletes cognitive resources, leading individuals to default to simpler or less demanding choices.

In the context of diabetes, signs that someone is experiencing decision fatigue may include:

• Skipping glucose monitoring
• Choosing convenience foods over planned meals
• Delaying physical activity
• Avoiding medication or insulin adjustments
• Missed appointments

These responses should not be interpreted as a lack of motivation or engagement. Rather, they can reflect the cumulative mental burden of managing a complex and demanding condition.

Practical strategies to reduce self-management burden

Healthcare professionals can play an important role in helping patients minimise unnecessary cognitive load.

Encourage routine and consistency

Structured routines around meals, medications and activity can reduce the number of daily decisions required.

Promote advance planning

Meal planning, preparation of healthy convenience options and anticipating challenging situations can help patients manage periods of low energy or stress more effectively.

Support appropriate technology use

Continuous glucose monitoring systems, insulin pumps and other diabetes technologies may reduce some aspects of day-to-day decision-making and improve confidence in self-management.

Facilitate social and peer support

Encouraging engagement with family, healthcare teams and peer support networks can reduce isolation and normalise the emotional challenges associated with diabetes management.

Start conversations about emotional wellbeing

Discussions about emotional wellbeing should be considered a core component of diabetes care, but they do not need to be lengthy counselling sessions. Often, the most important step is creating opportunities for people to talk about how they are coping.

Simple statements such as:

“Managing diabetes every day can make life more challenging”

or

“Sometimes living with diabetes can feel stressful or overwhelming”

can help normalise emotional responses and encourage discussion.

Open-ended questions can also provide insight into a person’s emotional wellbeing and self-management capacity:

• How have you been feeling about managing your diabetes recently?
• What aspects of diabetes are taking up the most mental energy for you at the moment?
• What challenges are making diabetes management difficult right now?
• How supported do you feel in managing your diabetes?

These conversations not only identify concerns but also signal to clients that emotional wellbeing is an important part of diabetes care.

Where appropriate, referral to a credentialled diabetes educator, accredited practising dietitian, psychologist or other members of the multidisciplinary team may help clients develop practical strategies to manage both the emotional and practical aspects of diabetes.

Ultimately, small but meaningful conversations can normalise the discussion of diabetes distress and fatigue leading to stronger engagement and improved self-management.