Fildena is considered a generic alternative to Viagra, which means it offers similar effects at a more affordable price. It is available in various dosages, typically 50 mg or 100 mg, and is taken orally in tablet form. Erectile Dysfunction refers to the inability to achieve or maintain an erection firm enough for sexual intercourse. ED can occur due to a variety of reasons, including physical, psychological, and lifestyle factors. Physical causes may include diabetes, heart disease, obesity, or high blood pressure, while psychological factors like stress, anxiety, and depression can also contribute. Lifestyle choices such as smoking, excessive alcohol consumption, and lack of exercise can exacerbate Erection concerns.