Cenforce 100mg is a prescription medication used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate, which works by increasing blood flow to the penis, allowing for a firmer and longer-lasting erection. The tablet is blue, diamond-shaped, and marked with "100" on one side. It should be taken orally with water, 30 minutes to 1 hour before sexual activity. The dosage may vary depending on the individual's age, medical condition, and response to treatment. Common side effects include headache, dizziness, flushing, and upset stomach. It is important to follow the doctor's instructions and not exceed the recommended dosage. Cenforce 100mg should not be taken by women or children.