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Acute kidney injury: sudden kidney trouble
✓ Fact-checked against sourced references · Editorial standards
Acute kidney injury is a sudden drop in kidney function over hours or days. Unlike chronic disease, it is often reversible when treated promptly.
Common causes
- Severe dehydration or blood loss
- Serious infection
- Some medicines
- Urinary obstruction
Frequently asked questions
Is AKI the same as chronic kidney disease?
No. AKI is sudden and often reversible; CKD is gradual and usually permanent.
Sources
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Educational only. This guide is general kidney-care information, not individual medical advice.