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A dull ache is not the same as pain. Here is what Chinese medicine calls de qi, why a sharp sensation signals a problem, and what safety surveys report.
Where this idea comes from
The notion arrives from gym culture as much as from medicine: no pain, no gain. Films show patients gritting their teeth, and a strong reaction looks like proof that something is happening. Some practitioners have historically equated vigorous stimulation with skill, and that message travelled faster than the technique behind it.
There is also a linguistic trap. The sensation Chinese medicine looks for is genuinely odd, a heaviness or ache that patients describe as intense. If nobody explains the difference between that dull spreading feeling and a sharp sting, the word pain covers both, and the wrong lesson is learned.
What Chinese medicine actually says
The tradition names the expected sensation de qi, often translated as the arrival of qi. It is described as heaviness, distension, warmth or a dull ache around the needle, sometimes travelling a little. Those descriptors recur across classical texts and modern Chinese textbooks alike, and none of them describe sharp pain.
A sharp, electric or burning sensation is treated as a signal that the needle is too deep, misplaced, or touching a vessel or nerve. The classical instruction is to adjust, not to push through. Traditional teaching also warns against needling when a patient is very hungry, exhausted or agitated, which is a precaution against fainting rather than a test of endurance.
What the research says
Safety surveys give the clearest picture. White and colleagues, reporting on 32,000 consultations in the BMJ in 2001, found that minor events such as bleeding and pain at the needle site were the most frequent complaints, while serious events were rare. Pain was a side effect to be managed, not a therapeutic target.
Whether stronger de qi predicts a better result is a separate question, and the answer is not established. Trial data on sensation intensity and outcome are limited and inconsistent, and the large pooled analysis by Vickers in 2018 used ordinary needling rather than deliberately painful stimulation. Data linking pain intensity to benefit are not available.
What you can realistically expect
Needle gauge, depth and retention time at Centre Équilibre are adjusted to the person rather than to a template, which is Ghislaine Morin's working rule in Grenoble. Patients who are sensitive are needled more lightly, and nobody is expected to endure a sharp sensation. The TCM dispensary she runs at the centre offers a route without needles for those who prefer it.
Most people feel something on insertion, then a heavy or warm ache that fades within a minute or two. Some feel nothing at all and still respond. If a needle stings, say so immediately; the correction takes seconds. Bruising of a few millimetres is common and harmless, and it is not evidence of a stronger effect.
When to consult, and when not to
Consult if you have a low pain threshold, a bleeding disorder, or you take anticoagulants, and say so before the first needle. Do not continue a session that is sharply painful on the assumption that it must be doing good. Discomfort that makes you tense works against the relaxation the treatment relies on.
Seek medical advice if pain, numbness or weakness persists after the session, or if a needle site becomes hot, swollen and red. Those are uncommon but they are not normal. Do not book acupuncture for undiagnosed pain that has not been examined, however tolerable the treatment itself may be.
Frequently asked questions
Is it normal for acupuncture to hurt?
A dull ache, heaviness or warmth is expected and usually settles within a minute. Sharp, stinging or electric pain is not the aim and should be reported at once. It usually means the needle needs a small adjustment in depth or angle.
Does a stronger sensation mean the treatment is working better?
No, that link has not been demonstrated. Trials have not shown that more intense needling sensation produces better outcomes, and the pooled evidence for chronic pain comes from ordinary needling. Comfort matters because a tense patient is harder to treat well.
What is de qi, in plain terms?
De qi is the sensation practitioners look for when a needle is placed: heaviness, distension, warmth or a dull ache around the point. Chinese textbooks describe it as the arrival of qi. It is distinct from sharp pain, which signals that the needle should be moved.
Useful links
Sources
- White A et al., "Adverse events following acupuncture: prospective survey of 32 000 consultations", BMJ, 2001 — https://doi.org/10.1136/bmj.323.7311.485
- MacPherson H et al., "The York acupuncture safety study: prospective survey of 34 000 treatments", BMJ, 2001 — https://doi.org/10.1136/bmj.323.7311.486
- NCCIH, "Acupuncture: what you need to know", accessed 2026 — https://www.nccih.nih.gov/health/acupuncture-what-you-need-to-know
- Author:Ghislaine Morin
- URL:https://accuponcture-grenoble.com/en/article/it-has-to-hurt-to-work
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