Stendra with liver impairment: dosing and safety
The liver is the main site of metabolism for many medications including Stendra (Avanafil). Liver impairment slows clearance and can raise plasma levels of Avanafil above the intended range, amplifying side effects. People with chronic liver disease, recent hepatitis or significantly raised liver enzymes need a tailored approach to Stendra at 50mg, 100mg, 200mg.
Why liver function matters
Avanafil undergoes hepatic metabolism through CYP enzymes for many medications. Reduced hepatic function slows this metabolism, prolongs the half-life and raises plasma concentrations. Avanafil selectively inhibits phosphodiesterase type 5 (PDE5) in the corpus cavernosum, increasing cGMP and enhancing nitric-oxide-mediated vasodilation in response to sexual stimulation. 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 Avanafil, baseline liver function tests are recommended before starting Stendra in any patient with risk factors and periodically during treatment in chronic liver disease. Severe impairment (Child-Pugh C) often contraindicates Stendra or requires substantial dose reduction; mild impairment usually permits standard 50mg, 100mg, 200mg with closer monitoring.
Frequently asked questions
Is Stendra safe with liver problems? ▾
Mild liver impairment typically allows Stendra at standard or slightly reduced 50mg, 100mg, 200mg with monitoring. Moderate-to-severe impairment often requires substantial dose reduction. Severe (Child-Pugh C) impairment may contraindicate Stendra entirely.
Will Stendra damage my liver? ▾
Most Erectile Dysfunction (ED) medications at standard 50mg, 100mg, 200mg 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 Avanafil lists the documented risk.
More on Stendra
- With alcoholStendra and alcohol — is it safe to drink?
- With foodShould Stendra be taken with food?
- Side effectsStendra side effects: common, rare and warning signs
- Dosage guideStendra dosage guide: how much to take and when
- OnsetHow fast does Stendra start working?
- DurationHow long does Stendra last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.