Does Dry Needling Hurt? An Honest Answer
- Dr. Kinsey Winter, PT, DPT
- Aug 7
- 3 min read
It's one of the first things people ask me. Usually right before their first session, sometimes while I'm already holding the needle.
So let's talk about it.
The needle itself going in: usually not much
Dry needling uses a very thin, solid filiform needle which is much thinner than the kind used for injections or blood draws. There's no hollow center, no liquid being pushed through. Most people are surprised by how little they feel at insertion.
Some spots are more sensitive than others. Areas close to the surface, bony regions, thin tissue tend to be more noticeable. But insertion is rarely the part people remember.
The local twitch response: this is the weird part
If I hit an active trigger point, the muscle produces what's called a local twitch response. It's an involuntary contraction, quick and automatic, like a hiccup in the tissue.
It feels like a deep cramp or a sudden ache. Some people describe it as electric. It's intense for a split second, then releases. It's not sharp or burning. It's more like the feeling of a muscle that's been held too tight suddenly letting go, because it is.
Most people find this the strangest part of the experience. A lot of people actually start laughing because the sensation is so unfamiliar, not because it tickles, but because the body does something unexpected and the nervous system doesn't quite know how to categorize it.
The twitch also means we found the right spot.
During the session: what to actually expect
You might feel twitches in one spot or several. Some muscles are quiet and some are reactive. There's no predicting it, and neither means something is wrong. Quieter muscles still respond to treatment. They just don't announce it.
Between needle insertions, most people feel a generalized heaviness or warmth in the area. Some people feel relaxed to the point of drowsiness. The parasympathetic nervous system, your rest and repair mode, tends to kick in during needling. That's not a side effect. That's part of the mechanism.
Sessions are usually 20 to 30 minutes. Slow, calm breathing helps. Tense muscles are harder to work with.
After the session: the part people don't expect
Most people are sore after dry needling. Not everyone, not every time, but it's common, especially after a first session. It's a deep, achy soreness in the treated area. It usually starts a few hours after the session and peaks somewhere in the 24 to 48 hour window.
Soreness means we were in the right place. That said, it should be manageable. If you're so sore you can't move normally, that's a sign we overdid it, and that's useful information for next time. The goal is finding the dose your body responds to without flattening you for two days.
What helps with post-needling soreness:
Ice on the treated area in the first 24 hours
Gentle movement, walking, light activity, nothing intense
Hydration, tissue heals better when you're not running dry
Time, it usually resolves within 48 to 72 hours, often sooner
When to call me
Post-needling soreness is expected. A few things are worth flagging:
Bruising is possible, especially near the surface or close to blood vessels. Usually minor and resolves on its own.
Significant swelling or warmth that's increasing rather than decreasing over 48 hours, let me know.
Dizziness or lightheadedness after the session can happen and usually resolves quickly with lying down and hydrating. If it's lasting or severe, reach out.
None of these are common. But you should never feel like you have to tough something out without saying anything.
The question underneath the question
When people ask if it hurts, what they're usually really asking is whether it's going to be worse than what they're already dealing with.
Most of the time, no. Most people leave their first session feeling some combination of sore, relieved, heavy, and surprised. The ones who keep coming back are the ones who notice that the thing that's been bothering them for months starts responding, often faster than anything else they've tried.
It's not the right tool for every problem. But if I'm recommending it, it's because I think your body will respond to it.
If you're curious whether dry needling makes sense for what you're dealing with, that's what an evaluation is for. 🌿
Dr. Kinsey Winter, DPT, CDNS, COMT, CSCS, SMT is the owner of Flourish Physical Therapy in Bellevue, WA. As always, I'm a PT, but I'm not your PT. This is for educational purposes only.
Related Reading
Visit my dry needling page to continue learning more.
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