Fildena is a brand of sildenafil, which is the same active ingredient as Viagra. It’s primarily used to treat erectile dysfunction (ED). Whether it’s safe for long-term use depends on several factors, including your overall health, dosage, and any other medications you take. Here’s a detailed breakdown: 1. General Safety Sildenafil has been studied extensively and is generally safe for long-term use in healthy men when taken at the prescribed dose. Most common side effects are mild and temporary, including headache, flushing, upset stomach, nasal congestion, and visual changes (like a blue tint). 2. Potential Long-Term Risks While serious complications are uncommon, prolonged use can sometimes be associated with: Cardiovascular issues: Sildenafil can lower blood pressure slightly, which might be risky in people with heart disease or those taking nitrates. Vision problems: Rarely, long-term use has been linked to sudden vision loss due to NAION (non-arteritic anterior ischemic optic neuropathy). Hearing issues: Sudden hearing loss is extremely rare but has been reported. Priapism: A persistent, painful erection lasting >4 hours is rare but requires immediate medical attention to prevent tissue damage. 3. Interactions Long-term use can become risky if you take: Nitrates (for chest pain) Alpha-blockers (for prostate issues) Some antifungals or antibiotics (they can increase sildenafil levels in the blood) Always check with a doctor if you’re on other medications. 4. Lifestyle & Health Factors Long-term ED treatment isn’t just about the medication. Heart health, diabetes control, blood pressure, exercise, and mental health all play a role. Over-reliance on medication without addressing underlying issues may mask problems.   Bottom Line Fildena (sildenafil) is generally safe for long-term use if prescribed by a doctor and taken as directed. Regular check-ups are recommended, especially if you have heart disease, kidney/liver problems, or vision issues. Never combine it with nitrates or high doses without supervision. If you want, I can break down a safe long-term use plan, including dose limits, monitoring, and how to reduce risks—so you know exactly what to watch for.