Doubling the dosage of any medication without consulting a healthcare professional can be risky and potentially harmful. Cenforce FM 100mg is a medication used to treat erectile dysfunction, and its dosage should be carefully prescribed by a doctor based on individual health factors. Taking more than the recommended dosage can increase the risk of side effects and complications without necessarily prolonging the duration of its effects. It’s crucial to follow your doctor’s instructions and not self-adjust the dosage. If you have concerns about the effectiveness or duration of Cenforce FM, it’s best to discuss them with your healthcare provider.