Desyrel with kidney impairment: dosing and safety
Kidney function affects how the body clears Desyrel (Trazodone) and many of its metabolites. For people with chronic kidney disease, dialysis, or even mild renal impairment from age or comorbidities, the standard 50mg, 100mg, 150mg, 300mg dose may need adjustment. This page summarises the practical principles for Desyrel in renal impairment.
Why renal function matters for Desyrel
A meaningful fraction of Trazodone or its active metabolites is cleared by the kidneys for many medications. Reduced eGFR slows clearance, raises plasma concentrations and prolongs effect. Trazodone is classified as a serotonin antagonist and reuptake inhibitor (SARI). The prescribing information for Trazodone usually specifies dose adjustments by eGFR threshold (e.g. 30–60 vs <30 mL/min/1.73m²).
Practical guidance
According to the prescribing information, baseline kidney function should be checked before starting Desyrel and periodically during treatment. People on dialysis need specialist input on dose timing relative to dialysis. Acute kidney injury — from dehydration, infection or other medications — can shift Desyrel effects unpredictably and may warrant a temporary hold at 50mg, 100mg, 150mg, 300mg.
Frequently asked questions
Is Desyrel safe with kidney problems? ▾
Mild to moderate kidney impairment usually allows Desyrel at adjusted lower 50mg, 100mg, 150mg, 300mg doses with monitoring. Severe impairment (eGFR <30) often requires substantial reduction or alternative therapy. The prescriber decides based on lab results and the indication.
Do I need lab tests on Desyrel if I have kidney disease? ▾
Yes — periodic eGFR and electrolyte monitoring is the standard practice for Desyrel in chronic kidney disease. Frequency depends on the severity of impairment and on Trazodone-specific risks. The prescriber sets the schedule.
More on Desyrel
- With alcoholDesyrel and alcohol — is it safe to drink?
- With foodShould Desyrel be taken with food?
- Side effectsDesyrel side effects: common, rare and warning signs
- Dosage guideDesyrel dosage guide: how much to take and when
- OnsetHow fast does Desyrel start working?
- DurationHow long does Desyrel last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.