First of all, it is important to make sure that your diagnosis of a hernia
is a correct one. There are different sources of lower abdominal pain
that can masquerade as a hernia, and there are different types of hernia that can affect men as well. The most common type of groin hernia in men (and women) is called an indirect inguinal hernia; this refers to a weakness in the abdominal wall through which intra-abdominal contents (such as fat or intestine) may protrude.
If you do in fact suffer from an inguinal hernia, then the only way to truly cure the problem is through surgery. The surgery to repair an inguinal hernia is among the most common general surgical procedures performed in this country. There have been studies of men diagnosed with inguinal hernias looking at the option of "watchful waiting" (ie, careful observation instead of up-front surgical repair). This has been shown to be a fairly reasonable option for patients that have no or very few symptoms from their hernia. While the chance of a complication from a hernia decreases with the time after the initial injury, there always remains the possibility of a complication (such as strangulation of the hernia) in the absence of surgical correction.
In any case, you should see a general surgeon
to get an accurate diagnosis of your groin/abdominal pain and discuss the best options for your treatment.