Fildena Double 200 mg is a medication used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate, which is the same active ingredient found in Viagra. Sildenafil works by increasing blood flow to the penis, helping to achieve and maintain an erection during sexual activity. Fildena Double 200 mg is a higher dosage, and it's essential to take it as prescribed by a healthcare provider. Starting with a lower dose and gradually increasing might be recommended depending on individual tolerance and effectiveness.