From the Guidelines
Relationship between Increased Urinary Frequency and Hypoglycemia
The relationship between increased urinary frequency and hypoglycemia can be understood through various mechanisms.
Mechanisms
- Increased urinary frequency can be a side effect of certain medications used to manage hypoglycemia, such as SGLT2 inhibitors, which can cause increased glucose excretion in the urine, leading to increased urinary frequency 1.
- Hypoglycemia can trigger a stress response, leading to the release of hormones like adrenaline, which can cause vasoconstriction of renal blood vessels, potentially decreasing renal blood flow and glomerular filtration rate (GFR).
- The counter-regulatory response to hypoglycemia involves the release of hormones like glucagon, which can increase GFR and renal blood flow, potentially leading to increased urine production and frequency.
Special Considerations
- Certain populations, such as those with diabetes, may be more prone to hypoglycemia and increased urinary frequency due to medication side effects or disease-related complications.
- The use of certain medications, such as sulfonylureas, can increase the risk of hypoglycemia, which may contribute to increased urinary frequency 1.
- Patients with inconsistent eating patterns or those who are frail may be more susceptible to hypoglycemia and increased urinary frequency due to medication side effects or disease-related complications 1.
From the Research
Relationship between Increased Urinary Frequency and Hypoglycemia
The relationship between increased urinary frequency and hypoglycemia is complex and involves multiple mechanisms.
Mechanisms
- Increased urinary frequency can be a side effect of certain medications used to manage hypoglycemia, such as SGLT2 inhibitors, which can cause increased glucose excretion in the urine, leading to increased urinary frequency.
- Hypoglycemia can trigger a stress response, leading to the release of hormones like adrenaline, which can cause vasoconstriction of renal blood vessels, potentially decreasing renal blood flow and glomerular filtration rate (GFR).
- The counter-regulatory response to hypoglycemia involves the release of hormones like glucagon, which can increase GFR and renal blood flow, potentially leading to increased urine production and frequency.
- Studies have shown that patients with diabetes are predisposed to develop lower urinary tract dysfunction, including increased urinary frequency, due to poor glycemic control 2.
- The frequency and duration of hypoglycemia can increase as the risk factor values, such as average glucose and coefficient of variation, increase 3.
- Hypoglycemia can occur before insulin therapy in patients with type 1A diabetes, and these patients may be at risk of developing urinary retention due to diabetic neuropathy 4.
- The definition of hypoglycemia can affect the reported frequency of hypoglycemia, and the glucose cut-off point defining hypoglycemia should be set at a lower level than the threshold of 3.9 mmol/l proposed by the American Diabetes Association 5.
Special Considerations
- Certain populations, such as those with diabetes, may be more prone to hypoglycemia and increased urinary frequency due to medication side effects or disease-related complications.
- Patients with inconsistent eating patterns or those who are frail may be more susceptible to hypoglycemia and increased urinary frequency due to medication side effects or disease-related complications.
- The use of certain medications, such as sulfonylureas, can increase the risk of hypoglycemia, which may contribute to increased urinary frequency.
- Diabetic neuropathy can significantly predict lower urinary tract symptoms in women with type 2 diabetes, and poor glycemic control can increase the risk of developing urinary retention 2.
- Clinicians should be aware of the association between urinary retention and glycemic control, and educate patients about this relationship 2.