Do i have hernia i received pain when i was working out my abs. i still hve pain; its 3 weeks later. the pain is getting betteris it ab muscle strain?

Not necessarily: Hernia is possible, but muscle strain more likely. Is there a knot or swelling in the sore/painful area? Muscle strains can takes a long to to heal and resolve. If it continues see you doctor. An exam is needed to determine if it is a hernia.

Need exam: The best way to determine whether or not you have a hernia is a physical exam - primary care ok. It also depends on the location of the pain on the abdominal wall, and whether or not there is a lump associated with the area of pain. Sometimes, radiological imaging is necessary, and in severe cases, even exploratory surgery is utilized, usually in the form of laparoscopy. Hope this helps!