Fildena is a brand name for a medication that contains sildenafil citrate as its active ingredient. Sildenafil is commonly used to treat erectile dysfunction (ED) in men. It works by increasing blood flow to the penis, which helps men achieve and maintain an erection during sexual stimulation. Fildena is a prescription medication, Fildena 100 means you should only use it under the supervision of a qualified healthcare provider. They will determine the appropriate dosage for your specific condition. Before using Fildena, consult with a healthcare provider to discuss your medical history, current medications, and any underlying health conditions. This is crucial to ensure it's safe and suitable for you.Alcohol consumption can interfere with the effectiveness of sildenafil and may increase the risk of side effects. It's best to limit or avoid alcohol while taking Fildena. Grapefruit and its juices can interact with sildenafil, potentially leading to undesirable side effects. It's advisable to avoid grapefruit products while using Fildena.