So your mortgage payment has become more expensive than you would like it to be, and the house isn't worth what it used to be.
What are your options to improve things?
It depends on the specifics of your situation and what your goals are. If you want to keep your home, you can try to get the monthly payment lowered to a more affordable level. There are a couple ways to do that. Two of the most common are refinancing and loan modification. But which is right for your situation?