Multifunctional serotonin agonist/antagonist (HSDD)
Flibanserin with kidney impairment: dosing and safety
Kidney function affects how the body clears Flibanserin (Flibanserin) and many of its metabolites. For people with chronic kidney disease, dialysis, or even mild renal impairment from age or comorbidities, the standard 100mg dose may need adjustment. This page summarises the practical principles for Flibanserin in renal impairment.
Why renal function matters for Flibanserin
A meaningful fraction of Flibanserin or its active metabolites is cleared by the kidneys for many medications. Reduced eGFR slows clearance, raises plasma concentrations and prolongs effect. Flibanserin acts as a serotonin 5-HT1A receptor agonist and 5-HT2A receptor antagonist, with additional effects on dopamine and norepinephrine signalling. The prescribing information for Flibanserin 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 Flibanserin 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 Flibanserin effects unpredictably and may warrant a temporary hold at 100mg.
Frequently asked questions
Is Flibanserin safe with kidney problems? ▾
Mild to moderate kidney impairment usually allows Flibanserin at adjusted lower 100mg 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 Flibanserin if I have kidney disease? ▾
Yes — periodic eGFR and electrolyte monitoring is the standard practice for Flibanserin in chronic kidney disease. Frequency depends on the severity of impairment and on Flibanserin-specific risks. The prescriber sets the schedule.
Products containing Flibanserin
More on Flibanserin
- With alcoholFlibanserin and alcohol — is it safe to drink?
- With foodShould Flibanserin be taken with food?
- Side effectsFlibanserin side effects: common, rare and warning signs
- Dosage guideFlibanserin dosage guide: how much to take and when
- OnsetHow fast does Flibanserin start working?
- DurationHow long does Flibanserin last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.