There are a lot of options, and thus a lot of choices and decisions, when it comes to choosing pain injections. Epidural Steroid Injections. Medial branch nerve blocks. Radiofrequency neurotomy. Prolotherapy. It can be confusing. Each have their own purposes, risks, benefits, and side-effects. Knowing how each works gives you an advantage against your pain.

For some patients, the source of their back or neck pain may be the facet joints – pairs of small joints at each vertebral level of the spine. To confirm this source of pain, a medial branch nerve block may be performed.

Prolotherapy for back pain usually involves treating ligaments and joint spaces in the spine and/or hip by injecting small amounts of a medicated solution.

Radiofrequency ablation involves creating a heat lesion on a pain-transmitting nerve to prevent the nerve from sending pain signals to the brain.
A sacroiliac (SI) joint injection is used to diagnose and treat pain stemming from the SI joint. These injections may be given around the joint or within the joint.
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