You are halfway through your day when it starts…
A small shimmer appears at the edge of your vision, then grows into a jagged, flickering line that slowly spreads across your sight.
For a few minutes, reading a screen or recognising a face feels impossible.
Then it fades, and the headache begins, or sometimes it does not arrive at all.
This experience is known as migraine with aura, and it is far more common than most people realise.
Research published on NCBI’s StatPearls resource shows that approximately 25 percent of people with migraine experience an aura, either before or alongside their headache.
Understanding what migraine with aura is, what it can look and feel like, and when it needs urgent medical attention can make a frightening experience far less overwhelming.
What Is Migraine With Aura?
Migraine aura refers to a set of temporary neurological symptoms that develop gradually, usually over five to twenty minutes, and last no longer than about an hour.
Most people associate migraine with head pain, but aura is a separate phase that involves the nervous system rather than pain itself.
Aura symptoms are described as either “positive” or “negative”. Positive symptoms are things the nervous system adds, such as flashing lights, zigzag lines, or tingling.
Negative symptoms are things it takes away, such as a blind spot or numbness. Most people experience a mix of both, and the symptoms are fully reversible once the episode passes.
While aura is most often visual, it can also affect sensation, speech, and in rarer cases, movement on one side of the body.
What Does Migraine With Aura Look and Feel Like?
Visual disturbances are by far the most common form of migraine with aura.
A population study published in The Journal of Headache and Pain found that visual aura is present in the vast majority of migraine aura cases, often described as:
- A small shimmering or flickering spot that slowly expands
- Jagged, zigzag lines, sometimes called a scintillating scotoma
- Blind spots or gaps in the field of vision
- Wavy or heat haze-like distortion
Some people also notice sensory symptoms, such as pins and needles that begin in the fingers and gradually spread up the arm or into the face.
Speech difficulty, such as struggling to find the right word, can also occur, usually alongside visual or sensory changes rather than on its own.
The gradual, spreading nature of these symptoms is a key feature.
Ocular migraines and visual migraine aura episodes tend to build slowly and move across the visual field, rather than appearing instantly and completely, which is one of the clues clinicians use to tell aura apart from more serious conditions.
Learn more about what migraines feel like.
Can You Have Aura Without a Headache?
Many people are surprised to learn that migraine with aura does not always come with a headache. This pattern is sometimes called aura without headache, or informally, a silent migraine.
According to the Cleveland Clinic, this presentation affects around 5 percent of people who experience migraine.
It tends to become more common later in life, and some people who previously had aura followed by headache find that, over time, the headache phase fades while the aura continues on its own.
Aura without headache can still involve the same visual, sensory, or speech symptoms described above.
Because there is no pain to signal that something is happening, these episodes are often mistaken for eye strain, anxiety, or fatigue, particularly the first time they occur.
When Migraine With Aura Needs Urgent Attention
Most migraine aura episodes are not dangerous, but they can closely resemble the early signs of a stroke or other neurological emergency.
This is why it is important to know when a symptom needs a same-day medical review rather than waiting it out at home.
A typical migraine aura tends to spread gradually over several minutes, involves positive symptoms such as flashing lights or tingling, and fully resolves within about an hour.
Stroke symptoms, by contrast, usually begin suddenly and involve a sudden loss of function, such as vision loss, facial drooping, or weakness on one side of the body, rather than a slow build.
You should seek urgent medical care if you or someone else experiences:
- Symptoms that come on suddenly, within a minute or two, rather than gradually
- Weakness, numbness, or drooping on one side of the face or body
- Sudden difficulty speaking or understanding speech
- Aura symptoms that are new, different from your usual pattern, or occurring for the first time later in life
- Symptoms lasting significantly longer than an hour
If anything about an episode feels unfamiliar or more severe than usual, it is always safer to have it checked.
A GP or emergency department can rule out other causes and confirm whether what you are experiencing fits a typical migraine aura pattern.
How Sydney Headache & Migraine Centre Can Help
If migraine with aura is a regular part of your life, or you are still trying to understand your symptoms after seeing other health professionals, you are not starting from nothing.
Many people who come to us have already explored several avenues without finding a clear answer.
At Sydney Headache & Migraine Centre, our practitioners are trained in the Watson Headache® Approach, a structured and evidence-based method that assesses whether the upper cervical spine, the top of the neck, may be contributing to headache and migraine symptoms.
This approach involves identifying specific factors during the assessment process and tailoring a treatment plan based on these findings.
While outcomes can vary for each individual, this method provides a systematic framework to guide care and explore potential contributors to your headache or migraine symptoms.
We take the time to listen to your full history, including your aura patterns, triggers, and what you have already tried, so we can consider the bigger picture rather than treating each episode in isolation.
If migraine with aura is disrupting your day-to-day life, or you simply want a clearer understanding of what is happening and why, you do not have to work it out alone.
At Sydney Headache & Migraine Centre, we take the time to listen to your story and explore all potential contributing factors to develop a tailored approach that supports your individual needs.
Frequently Asked Questions
Is migraine aura the same as an ocular migraine?
The terms are sometimes used interchangeably, but “ocular migraine” often refers specifically to visual disturbances affecting one eye. However, most cases described this way are actually visual migraine aura, which typically affects both eyes and is more common.
How long does migraine aura usually last?
Migraine aura typically develops gradually and resolves within an hour. If symptoms last significantly longer or appear suddenly rather than building gradually, it is important to consult a doctor for further assessment.
Can stress or lack of sleep bring on migraine aura?
Stress, poor sleep, dehydration, and hormonal changes are commonly reported factors associated with migraine episodes, including those with aura. Triggers vary between individuals, and keeping a diary can help identify personal patterns.
Does everyone with migraine experience aura?
No. Migraine aura occurs in about a quarter of people with migraine, meaning most individuals with migraine do not experience aura.
Should I be worried if I have aura without a headache?
Aura without headache is a recognised pattern and is not necessarily a cause for concern.
However, any new, unusual, or first-time neurological symptom should be reviewed by a GP to rule out other potential causes before assuming it is migraine-related.
Article reviewed by: Rob Wallis, B App Sc (Phys) M.A.P.A.
Watson Headache® Certified Practitioner & Facilitator (Level 4).
Stat Sources
- “Approximately 25% of individuals with migraine experience an aura.” Migraine With Aura, StatPearls, NCBI Bookshelf (2024).
- “Silent migraines… affect about 5% of people with migraines.” Silent Migraine: What It Is, Causes, Symptoms and Treatment, Cleveland Clinic (2024).
- Visual aura symptom evolution and differentiation from stroke. Diagnostic challenges of focal neurological deficits during an acute take, Clinical Medicine (2024).
Book A Migraine / Headache Assessment
Book online or give us a call on 1300MyHeadache to organise an assessment with Sydney Headache & Migraine Centre and learn more about what causes your migraines and how we can help treat them.
