A trigger point is a tight, irritable knot in a muscle that can ache where it sits or send pain somewhere else entirely. When stubborn knots won't release with hands-on care, a trigger point injection is one option. Here's what it is and what to expect.
What is a trigger point?
It's a tight band of muscle that stays clenched instead of relaxing. Press on one and you often feel a tender knot, sometimes with pain that spreads to a nearby area. Trigger points are a common source of neck, back, and shoulder pain, and they're part of why a sore spot in one place can be felt in another.
What the injection does
A trigger point injection places a small amount of medication directly into the knot to help it release. Some are done with just a numbing medication. The goal is to break up the tight band so the muscle can relax and you can move more comfortably, which can also make the rest of your care easier to handle.
Trigger point injections are one of the services we offer in-house. See how they fit with chiropractic, massage, and our other options on our services page.
What a visit feels like
The injection itself is quick. You may feel a brief pinch and a cramp-like feeling as the needle reaches the knot, followed by some soreness at the site for a day or so. Most people handle it well and return to their day without downtime.
How many you'll need
It depends on how many trigger points are involved and how you respond, sometimes one, sometimes a short series. Injections usually work best alongside the rest of your care, such as adjustments, therapeutic massage, and the kind of movement we cover in our post on simple neck exercises for daily pain relief, rather than on their own. A provider evaluation decides whether they're appropriate for you.
Key takeaway: Trigger point injections target tight muscle knots that won't release on their own. The visit is quick with short-lived soreness, and they work best as part of a broader plan. Results vary.