Sounds like some painful shit bro.....
I thought salads is one of the hardest thing your body can digest?
Ya well quit farting around and go see a doctor dude. Better safe than sorry. What's your daily water intake like? Skipping back day to do a killer leg day don't sound promising. At least with the doctor's opinion you can have a better piece of mind instead of guessing about everything that's going on inside of you