Pulsatile Tinnitus: Why A Pulsing Sound Is A Different Problem

This is the page on the site where we are most careful, and the reason is not editorial fastidiousness. Most tinnitus is a sound the auditory system generates without an external source, and managing it is largely a question of reducing its impact. Pulsatile tinnitus, a sound that keeps time with the heartbeat, is different in kind. A real source may be generating it: blood moving through a narrowed or turbulent vessel, a vessel that is abnormally placed, a tumour in the middle ear region, or a muscle.

That difference changes the investigation, and it is why this category is assessed clinically and sometimes imaged rather than managed at home. It is also why we will not be offering a product on this page. Nothing you can swallow addresses a blood vessel, a tumour or a muscle.

This is educational information rather than medical advice, and nothing here diagnoses anything. It is written by an editorial desk with an affiliate relationship to a hearing supplement and no relationship to any clinician or imaging service.

The clinical literature describes pulsatile tinnitus as a relatively rare form of tinnitus with a complex differential diagnosis, and states plainly that practitioners need to know the proper workup for these patients. That is a fair description of the whole situation in one sentence.

The mechanism is worth understanding because it explains the rest. In ordinary, non-pulsatile tinnitus, the auditory nerve generates activity that the brain reads as sound, and no external microphone can detect it, which is why it is called subjective. In pulsatile tinnitus there may be an actual acoustic source in the head or neck, and a clinician may be able to hear it with a stethoscope at the neck or orbit, or with a microphone over the ear canal. When that happens the sound is objective: measurable, and therefore traceable to whatever is making it.

That is the reason this group is handled differently. An objective sound is a physical fact in front of you, and the task is to find it.

Turbulent blood flow and high blood pressure

The commonest explanation involves blood moving where it is not supposed to be turbulent. Turbulence makes noise, and a noise is exactly what a vein or artery near the ear can generate. Atherosclerosis, meaning narrowing and roughening of an artery wall, is commonly cited as the most frequent vascular cause because the disturbed flow across a narrowed segment is audible. Raised blood pressure is also on the list, which is one reason blood pressure is measured as part of the assessment rather than assumed.

This matters practically because it is the group where the underlying problem is genuinely systemic. A vascular cause is a reason to look at blood pressure, cardiovascular risk and smoking, and it is a much better use of an appointment than a supplement.

Venous hum

A venous hum is a benign sound produced by turbulent flow in a vein, and it is a classic cause of this group. It tends to be a low-pitched humming or roaring that is often one-sided and often audible when lying down or turning the head, because head position changes the flow. Many people notice it when the room is quiet and assume it is a sound in the house, which is why part of the history is about where you are when you hear it.

Vascular malformations and arteriovenous shunts

An arteriovenous malformation or fistula is an abnormal connection or tangle of vessels. Because the pressure in the arterial side and the venous side is different, blood moves through it turbulently and noisily. This is the part of the list that makes imaging sensible rather than optional, and it is why the guidance concludes that imaging should be offered to people with pulsatile tinnitus, on the basis that it can detect significant and treatable lesions. A malformation of this kind is not something that appears and disappears over a week, which is why a persistent pulsatile sound should not be left to resolve on its own.

Glomus tumour and paraganglioma

Middle-ear pathology such as a glomus tumour can also produce a synchronous sound, and paragangliomas are listed among the non-vascular and vascular causes in the guidance. The reason to name them here is not to frighten anyone: they are listed on the small list of causes that imaging is specifically able to find early. That is the entire argument for the investigation. Naming the possibility and then skipping the test that identifies it would be a poor bargain in either direction.

Raised intracranial pressure, anaemia and bony changes

Raised intracranial pressure is on the list of causes, as is anaemia and osseous (bony) pathology. A systemic finding that a clinician can act on, and a structural one that imaging can see, are the two halves of why a pulse-synchronous sound is taken seriously. Anaemia in particular is a good illustration of why the history is broader than the ear: a general investigation can find a general cause.

Muscles and the eustachian tube

Not every pulsatile sound is vascular. A rhythmic, non-synchronous click can come from muscle activity, and the guidance notes that palatal myoclonus is a recognised cause of that pattern. An eustachian tube that fails to close normally can transmit the sound of your own breathing or your own pulse inward, which people frequently describe as a hum that seems to be inside them.

This is the group most likely to be confused with an ordinary hum in the house, which is why the physical checks and the history both matter.

• Is it exactly in time with your pulse, or roughly rhythmic but not synchronised? This is the single most useful distinction you can make.

• Does it change when you turn your head, lie down, or move into a different room? Position-dependence is a meaningful clue, and a change between rooms is also how you rule out a sound in the building.

• Does it change if you press gently on one side of your neck? Clinicians use compression of the neck vessels as a bedside test, and what you notice at home can be useful information to report.

• Is it in one ear, both, or does it move?

• When did it start, and did it start suddenly or gradually? Sudden onset with headache, visual change, weakness or numbness is a different priority entirely.

• Are you taking any medicines, including over-the-counter painkillers? Peer-reviewed clinical material on pulsatile tinnitus notes that non-steroidal anti-inflammatory drugs, aspirin and herbal supplements can all worsen tinnitus symptoms, so that belongs in the history.

The last point deserves emphasis because it cuts against the usual assumption. Tinnitus material is full of suggestions to take something. For this particular category, the direction of the evidence runs the other way: the peer-reviewed chapter on pulsatile tinnitus explicitly lists over-the-counter anti-inflammatory medicines, aspirin and herbal supplements among the things that can worsen tinnitus symptoms. If you are already taking something, tell the clinician. If you were about to start something, this page is the reason not to.

1. History. Rhythm, side, position-dependence, onset, noise exposure, medicines, blood pressure history, and whether the sound has changed at all.

2. Examination, including listening. An ear examination, and auscultation over the neck, the region behind the ear, the temple and the orbit. If the sound is objective, the clinician may be able to hear it too.

3. Hearing test. An audiogram, because a hearing change alongside a pulsatile sound changes the picture and the priority.

4. General observations. Blood pressure, and blood tests where the history points to a systemic cause such as anaemia.

5. Imaging. The NICE evidence review behind the recommendation states that imaging should be offered to all age groups with pulsatile tinnitus in order to detect significant and treatable lesions, and that MRI is more clinically effective at showing soft tissue structures than contrast-enhanced CT.

It is reasonable to ask, before the scan happens, what the plan is if something is found. A good answer involves an ear, nose and throat specialist, and a plan for what would be done about it. A scan nobody plans to act on is not a useful scan.

It is equally reasonable to ask what happens if the imaging is normal. The honest answer, which is also the most common outcome, is that the sound may persist and the management question becomes the ordinary one: the distress and sleep problems that come with it are exactly what cognitive behavioural therapy and sound-based approaches are built for.

This is worth saying plainly, because a normal scan can feel like a bad result. It is not. Most causes of pulsatile tinnitus are not life-threatening, and after a thorough assessment the remaining problem is frequently the impact the sound has on sleep, concentration and mood rather than the sound itself. That is a problem with well-evidenced approaches, and it is a much better position to be in than an undiagnosed sound.

Two things are worth resisting afterwards. The first is the search for a product, since the reasoning that produced it, something must be making this, so something must stop it, does not survive contact with a normal scan. The second is the assumption that because the sound is still there, the investigation must have missed something. Some causes are genuinely intermittent, and persistent sound with a thorough workup is a legitimate endpoint.

The wider <a href="/tinnitus/">tinnitus guide</a> covers the management approaches in more detail, and <a href="/tinnitus-symptoms/">the symptoms page</a> covers how to describe what you are hearing in the terms a clinician finds useful.

We have an affiliate relationship with a hearing supplement, and we say so at the top of every page on this site. On a page about managing ordinary tinnitus, that relationship is a reason to be careful, and it is a reason to keep pointing at the approaches with consistent trial support rather than at a bottle.

On this page it is something more straightforward. There is no supplement for a vascular malformation, a glomus tumour, raised intracranial pressure or a muscle in the wrong place, and the clinical literature on this category notes that herbal supplements can worsen tinnitus symptoms. A page about the most medically serious form of tinnitus that ended with a sales pitch would be bad writing, and it would also be a bad advertisement for a book about it.

What is useful here is a clear description of the pathway, an honest account of the causes, and a list of the symptoms that mean do not wait.

Published 19 May 2026Last updated 25 Sept 2026