A ganglion impar block is a targeted injection therapy designed to manage chronic pelvic and tailbone pain by interrupting pain signals from the ganglion impar—a small nerve bundle located near the coccyx. This minimally invasive treatment is especially beneficial for patients experiencing persistent pain in the perineum, rectum, or genital area, often due to conditions like coccydynia, pelvic trauma, or cancer.
Because it delivers relief directly to the source of pain, the ganglion impar block offers a more localized and effective alternative to systemic medications. Patients often experience improved comfort, mobility, and quality of life following treatment.
What is it?
A ganglion impar block targets a bundle of nerves near the tailbone to treat chronic pain in the perineum, rectum, and genitals. It’s particularly effective for coccydynia (tailbone pain) and certain cancer-related pain.
How is it performed?
Using fluoroscopic guidance, your physician will insert a needle near the coccyx to reach the ganglion impar. Local anesthetic and sometimes steroid medication are injected. The procedure takes approximately 30 minutes.
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Treatment Benefits
This procedure can provide rapid and long-lasting relief for otherwise difficult-to-treat pelvic or tailbone pain. It is minimally invasive, performed under image guidance for accuracy, and generally well tolerated. Many patients report improved ability to sit, walk, and engage in daily activities without persistent discomfort. In some cases, repeated treatments can offer ongoing pain control.
Who Can Benefit From This Treatment
Ganglion impar blocks are commonly recommended for individuals suffering from coccydynia, pelvic or perineal pain, and cancer-related pain in the lower body that has not responded to conventional therapies. It may also be used diagnostically to confirm whether the ganglion impar is the source of a patient’s pain. A clinical evaluation can help determine if this procedure is right for your condition.
Learn more about Ganglion Impar Block by contacting the Minimally Invasive Spine and Pain Institute—our team is here to help you explore your options.
Aftercare for Ganglion Impar Block
Following a ganglion impar block, most patients are able to return home the same day. Some may experience temporary numbness, soreness, or mild discomfort in the tailbone or pelvic area, which usually resolves within a day or two. The full effects of the injection may be felt within hours to a few days, depending on your body’s response. It’s important to avoid putting too much pressure on the lower back or coccyx area immediately after the procedure.
Tips for a Smooth Recovery
Follow these guidelines to support healing after a ganglion impar block:
- Avoid prolonged sitting or pressure on the tailbone for the first 24 hours
- Use ice packs to ease soreness at the injection site if needed
- Resume light activities as tolerated and avoid strenuous exercise for a day or two
- Stay hydrated and maintain a healthy diet to support recovery
- Report any unusual symptoms, such as increased pain or signs of infection, to your provider