Medication-Induced Acute Kidney Injury (AKI): Recognising and Minimising the Risks

Medication can sometimes harm the kidneys, leading to symptoms like reduced urine output, swelling, fatigue, nausea, and confusion. Certain medications, existing kidney problems, poor kidney blood flow, and inflammation can contribute to this. It's vital to recognize AKI signs early, including decreased urine output, swelling, fatigue, nausea, and difficulty breathing. If you notice these symptoms, seek medical attention promptly.

Medication can affect kidney function by altering the normal filtration and excretion processes. Some medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs) and diuretics, can disrupt the balance of electrolytes and fluid in the body, posing a risk to kidney health.

Diagnosing medication-induced AKI involves conducting blood tests to assess the levels of creatinine, a waste product that should be filtered out by the kidneys. Urine tests may also be needed to evaluate the concentration and composition of the urine, providing insights into kidney function.

Treatment for medication-induced AKI depends on the underlying cause and the severity of the condition. In some cases, supportive measures such as extra fluid removal through dialysis or medications to address the underlying cause may be necessary.

The treatment of medication-induced acute kidney injury (AKI) involves potential risks, including complications related to diuretic use, the necessity for intensive care, and the risk of developing end-stage renal disease if the kidneys don't fully recover. This condition can have lasting implications on overall kidney health, potentially elevating the risk of chronic kidney disease and end-stage renal disease if complete kidney recovery doesn't occur. Therefore, vigilant monitoring of kidney function and timely medical attention is essential to minimize these long-term implications.

To minimize the risks of medication-induced AKI, it is essential to use medications as prescribed and under the guidance of healthcare professionals. Avoiding unnecessary use of medications that pose a risk to kidney function and monitoring kidney health through regular check-ups can also help prevent AKI.

Adopting a healthy lifestyle that includes staying hydrated, maintaining a balanced diet, and avoiding excessive use of over-the-counter medications, especially NSAIDs, can contribute to preventing medication-induced AKI.

Individuals at risk of AKI should be cautious with medications such as NSAIDs, certain antibiotics, and contrast agents used in medical imaging procedures. It is important to consult healthcare providers to determine the safety of using these medications.

Blood tests can help monitor the levels of creatinine and other markers of kidney function, while urine tests can provide insights into the kidneys' ability to concentrate and filter waste products, aiding in the early detection of any impairment in kidney function.

Individuals with concerns about their kidney function may consider alternative medications or adjust the dosage of their existing medications to minimize the impact on their kidney health. In some cases, non-pharmacological treatment options may also be considered.

Consulting a nephrologist, a healthcare provider specializing in kidney diseases, or a pharmacist can provide valuable guidance in managing medication-induced AKI, ensuring a comprehensive approach to addressing kidney health concerns.

Dr Alvin Ng is a nephrologist in Singapore with more than 20 years of experience. He specialises in the diagnosis and management of a wide range of kidney conditions and is committed to providing comprehensive, personalised and evidence-based care for patients with kidney disease.

Prior to private practice, Dr Ng served as a consultant nephrologist at Changi General Hospital, where he was Director of the Peritoneal Dialysis Service and a member of the MOH Peritoneal Dialysis Workgroup. He has also held leadership roles within the Singapore Society of Nephrology and has been actively involved in the education of medical students, junior doctors and specialist trainees. His contributions to patient care, medical education and professional service have been recognised through multiple awards.