Filitra 40 Mg contains vardenafil, a PDE5 inhibitor used for the treatment of erectile dysfunction (ED). However, 40 mg is higher than the commonly recommended vardenafil dose range used in standard prescribing guidelines. Usual recommended vardenafil dosing Starting dose: 10 mg, taken about 60 minutes before ***** activity. Dose may be adjusted based on effectiveness and side effects. Maximum recommended dose: 20 mg once daily. About Filitra 40 Mg Because Filitra 40 Mg exceeds standard recommended vardenafil dosing, it should not be taken or increased without medical supervision. Higher doses may increase the risk of side effects such as: Headache Flushing Dizziness Low blood pressure Nasal congestion Vision changes Indigestion Who may need a lower dose? A healthcare provider may recommend a lower dose if you: Are 65 years or older. Have liver problems. Take medicines that affect vardenafil metabolism (such as certain CYP3A4 inhibitors). Use alpha-blocker medicines for blood pressure or prostate problems. Safety advice Do not take Filitra or other vardenafil products with: Nitrate medicines (for chest pain). Riociguat. Certain combinations of blood pressure medicines without medical advice. If a lower dose is not effective, a doctor can evaluate the cause of ED and decide whether a different dose or treatment approach is appropriate.