Fildena Double 200mg is a medication used to treat erectile dysfunction (ED) in men. It contains 200mg of sildenafil citrate, the same active ingredient found in the popular ED medication Viagra. Sildenafil citrate works by increasing blood flow to the penis, helping men achieve and maintain an erection during sexual activity. Like all medications, Fildena Double 200 may cause side effects in some people. Common side effects may include headache, dizziness, nausea, flushing, and changes in vision or hearing. More serious side effects are rare but can occur, such as chest pain, difficulty breathing, or allergic reactions. It is essential to use Fildena Double 200 only as directed by a healthcare provider, and to disclose any medical conditions or medications you are taking, as they may interact with this medication. Fildena Double 200 should not be taken by women or children.