After taking Cenforce 100, most users can expect effects to begin within 30 to 60 minutes, especially when taken on an empty stomach. It helps improve blood flow to the penis, allowing for a stronger and longer-lasting erection during sexual stimulation. The effects typically last for 4 to 6 hours. Some users may experience mild side effects like headaches, flushing, nasal congestion, or dizziness. It's important to avoid alcohol and fatty foods, as they can reduce effectiveness. Always take Cenforce 100 as prescribed and consult a doctor if you experience any unusual or severe symptoms.