Infertility and male erectile dysfunction are treated with Fildena Double 200 . This medication acts to improve blood flow to the penile tissues. Sildenafil, an ingredient in this medication, helps men achieve a strong erection during sexual activity. Take this medication half an hour before sexual activity. From our store, you can purchase Fildena online. This medication has a 3 to 6 hour half-life. This medication aids men in having sex. Don't take this medication with cold beverages or fatty meals. This medication can be taken either before or after food.