Fildena Double 200 mg is a medication used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate as its active ingredient, which works by increasing blood flow to the penis during sexual stimulation, thus helping men achieve and maintain an erection. Fildena Double 200 mg as directed by a healthcare professional. It's typically taken orally, about 30 minutes to an hour before sexual activity, and its effects can last for up to four hours. It's important not to exceed the recommended dosage and to avoid combining it with alcohol or other substances that may interact with it.