I would steer clear of chiropractic treatment. I find "high velocity manipulation" concerning and dangerous.
Instead, I have found massage, acupuncture and physical therapy under the observation of a good orthopedic specialist to be the best.
Studies conducted by both chiropractic and medical professionals as well as insurance companies (particularly workers comp companies) consistently demonstrate spinal manipulative therapy to be the safest, most effective, most efficient, and most cost effective approach to low back pain -- period. Nothing else gets a low back patient back to work more quickly, cheaply, and at less risk for recurrence of the original condition.
In addition, studies also show that of all the health professionals providing these services, chiropractors are the best for the job. If you'd like the journal references, let me know and I will provide them once I get to the office.
I understand you may have had a less-than-optimal experience leading you to such conclusions. If that is the case, you are either the exception to the rule or you encountered a sub-par professional. Regardless, what you've stated is simply not supported by the peer-reviewed evidence.
OP, much of the advice you've received in this thread is generally correct and helpful; however, each case is unique and requires a customized approach taylored to your specific situation. Without a thorough history and exam (or reviewing another professional's records), at best I would be guessing as to what is appropriate for your situation. If you wish to provide information privately, I'd be glad to offer more specific advice. PM me if that is the case.
Yours in Health,
James, Doctor of Chiropractic
26 Years Private Practice
13 Years Adjunct Faculty Life College of Chiropractic -- West