Fildena Professional can be effective for treating erectile dysfunction (ED), but whether it’s the best choice for you depends on several factors. Here’s a breakdown of how and why it works, plus its pros, limitations, and what to watch out for. How & Why Fildena Professional Works for ED Active Ingredient Fildena Professional contains sildenafil citrate, which is a well-known and proven ED drug (same as in Viagra). Fildena +2 APSense +2 Sildenafil is a PDE‑5 inhibitor, meaning it helps relax blood vessels and increase blood flow to the ***** during ***** stimulation. Fildena +1 Formulation It’s a sublingual tablet, not a standard swallow pill. That means you place it under your tongue, and it dissolves there. APSense +1 Because of this, it may act faster compared to regular oral tablets. According to some sources, the onset is around 15–30 minutes. Medilazar - Your Teliphramancy +1 According to Medilazar, its effects last about 4–6 hours. Medilazar - Your Teliphramancy However, there are other sources (MedexMD) that claim a 7–8 hour duration. MEDEXMD Note: This discrepancy suggests that actual duration may vary depending on individual metabolism, dose, and possibly the manufacturer. Proven Efficacy of Sildenafil Clinical studies of sildenafil (in general) show that higher doses (like 100 mg) lead to significant improvements in the ability to achieve and maintain erections, compared to placebo. PubMed +1 Long-term data also suggests that sildenafil remains effective over time and is generally well tolerated.