Levitra with liver impairment: dosing and safety
The liver is the main site of metabolism for many medications including Levitra (Vardenafil). Liver impairment slows clearance and can raise plasma levels of Vardenafil above the intended range, amplifying side effects. People with chronic liver disease, recent hepatitis or significantly raised liver enzymes need a tailored approach to Levitra at 5mg, 10mg, 20mg.
Why liver function matters
Vardenafil undergoes hepatic metabolism through CYP enzymes for many medications. Reduced hepatic function slows this metabolism, prolongs the half-life and raises plasma concentrations. During sexual stimulation, nitric oxide is released in the corpus cavernosum and activates an enzyme that produces cyclic GMP, which relaxes smooth muscle and increases blood flow to support erection. 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 Vardenafil, baseline liver function tests are recommended before starting Levitra in any patient with risk factors and periodically during treatment in chronic liver disease. Severe impairment (Child-Pugh C) often contraindicates Levitra or requires substantial dose reduction; mild impairment usually permits standard 5mg, 10mg, 20mg with closer monitoring.
Frequently asked questions
Is Levitra safe with liver problems? ▾
Mild liver impairment typically allows Levitra at standard or slightly reduced 5mg, 10mg, 20mg with monitoring. Moderate-to-severe impairment often requires substantial dose reduction. Severe (Child-Pugh C) impairment may contraindicate Levitra entirely.
Will Levitra damage my liver? ▾
Most Erectile Dysfunction (ED) medications at standard 5mg, 10mg, 20mg 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 Vardenafil lists the documented risk.
More on Levitra
- With alcoholLevitra and alcohol — is it safe to drink?
- With foodShould Levitra be taken with food?
- Side effectsLevitra side effects: common, rare and warning signs
- Dosage guideLevitra dosage guide: how much to take and when
- OnsetHow fast does Levitra start working?
- DurationHow long does Levitra last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.