Another generic medication that contains sildenafil citrate is Malegra Pro. Although it is less expensive, it nevertheless contains the same medication at the same dosage as the well-known erectile dysfunction medication. The majority of people tolerate it well, although some people with cardiovascular-related illnesses shouldn't use this medication. About 30 to 60 minutes after consumption, it should start to function right away. When used to treat erectile dysfunction, it has a high success rate. Pay close attention to what your healthcare provider tells you. Take this medication only as directed by your physician.