Bankruptcy should only be used as a last resort. It has long standing consequences. If you are in well over your head and have no assets to lose it might be worth getting a free consultation by a trustee.
If you have a job you should consider debt settlement as an option. You can get out of debt in 3 years for less then you owe today, and it does considerably less damage to your credit rating. Get a free quote here: www.totaldebtfreedom.ca
Either way "what about my credit" vs. getting out of debt is a dilemma faced by many. Unfortunately most people are way too focused on their credit.
Read myth #4 here: http://www.totaldebtfreedom.ca/articles/article_3.htm
Most people "get it" after reading this article.