PDE5 inhibitor
Sildenafil Citrate with liver impairment: dosing and safety
The liver is the main site of metabolism for many medications including Sildenafil Citrate (Sildenafil Citrate). Liver impairment slows clearance and can raise plasma levels of Sildenafil Citrate above the intended range, amplifying side effects. People with chronic liver disease, recent hepatitis or significantly raised liver enzymes need a tailored approach to Sildenafil Citrate at 100mg, 50mg, 25mg.
Why liver function matters
Sildenafil Citrate undergoes hepatic metabolism through CYP enzymes for many medications. Reduced hepatic function slows this metabolism, prolongs the half-life and raises plasma concentrations. Sildenafil citrate selectively inhibits phosphodiesterase type 5 (PDE5), an enzyme that breaks down cyclic guanosine monophosphate in the corpus cavernosum. The prescribing information typically classifies severity by Child-Pugh score (A mild, B moderate, C severe) and gives dose adjustments accordingly.
Practical guidance
According to the prescribing information for Sildenafil Citrate, baseline liver function tests are recommended before starting Sildenafil Citrate in any patient with risk factors and periodically during treatment in chronic liver disease. Severe impairment (Child-Pugh C) often contraindicates Sildenafil Citrate or requires substantial dose reduction; mild impairment usually permits standard 100mg, 50mg, 25mg with closer monitoring.
Frequently asked questions
Is Sildenafil Citrate safe with liver problems? ▾
Mild liver impairment typically allows Sildenafil Citrate at standard or slightly reduced 100mg, 50mg, 25mg with monitoring. Moderate-to-severe impairment often requires substantial dose reduction. Severe (Child-Pugh C) impairment may contraindicate Sildenafil Citrate entirely.
Will Sildenafil Citrate damage my liver? ▾
Most PDE5 inhibitor medications at standard 100mg, 50mg, 25mg doses do not harm a healthy liver. A small subset can produce drug-induced liver injury in susceptible patients, usually detected by routine ALT/AST monitoring. The prescribing information for Sildenafil Citrate lists the documented risk.
Products containing Sildenafil Citrate
More on Sildenafil Citrate
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- Dosage guideSildenafil Citrate dosage guide: how much to take and when
- OnsetHow fast does Sildenafil Citrate start working?
- DurationHow long does Sildenafil Citrate last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.