Does weight training cause water retention?

I believe when Weightlifting and one's muscles are extremely sore, the body retains water and that area becomes inflamed and swollen. I think this is the body's attempt to repair itself. If this becomes a problem for you, try to cut down on sodium and drink lots of fluid and it will pass in a few days as the muscle begins to feel better. Don't continue working out this area if you are still sore. Make sure you give the muscle group time to repair as this is when you will become bigger and stronger...rest.