Headache and Dizziness

Headaches and dizziness are common complaints that affect people of all ages. Headaches involve pain in any part of the head, while dizziness refers to sensations such as light-headedness, unsteadiness, or vertigo (a feeling that you or your surroundings are spinning). These symptoms can occur separately or together, ranging from mild and occasional to severe and chronic, potentially disrupting daily activities.

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Dr. Chok Aik Yong
MBBS | MRCS (UK) | MMed (Surgery) | FRCS (UK)

Symptoms of Headache and Dizziness

Headaches and dizziness cause a variety of symptoms, which can vary in intensity and duration. Depending on the underlying cause, these symptoms can appear independently or simultaneously.

Head pain

Pain can be experienced in different regions of the head, including the forehead, temples, back of the head, or entire head. The pain may be throbbing, pressing, sharp, or dull.

Nausea and vomiting

These symptoms often accompany episodes of severe headaches or dizziness. They can range from mild queasiness to severe vomiting that worsens with movement.

Sensitivity to light and sound

Many individuals with headaches experience heightened sensitivity to environmental stimuli. Bright lights or loud noises may intensify the headache or dizziness.

Light-headedness

A feeling of being about to faint or lose consciousness. This sensation typically involves feeling weak or unsteady without the perception of movement.

Vertigo

A specific type of dizziness characterised by the false sensation of spinning or movement. The individual may feel as though they are spinning or that their surroundings are spinning around them.

Balance problems

Difficulty maintaining balance while standing or walking. This can appear as unsteadiness, staggering, or a tendency to fall to one side.

Visual disturbances

These can include blurred vision, double vision, or visual aura (temporary visual phenomena such as flashing lights, zigzag lines, or blind spots).

Tinnitus

Ringing, buzzing, or other sounds in the ears that are not from an external source. This symptom is particularly common in dizziness related to inner ear disorders.

Causes and Risk Factors

Headaches and dizziness can result from numerous underlying conditions and circumstances, ranging from temporary and benign to serious medical conditions. Below are common causes and risk factors:

  • Stress and tension

    Emotional stress and muscular tension, particularly in the neck and shoulders, can trigger tension headaches and associated dizziness. Chronic stress may lead to recurring headache patterns.

  • Dehydration

    Insufficient fluid intake reduces blood volume, potentially leading to both headaches and dizziness. Even mild dehydration can trigger these symptoms, particularly in hot weather or after exercise.

  • Inner ear disorders

    Conditions like benign paroxysmal positional vertigo (BPPV), Ménière’s disease, and vestibular neuritis affect the balance mechanisms of the inner ear. These disorders primarily cause dizziness but can trigger secondary headaches.

  • Migraines

    A neurological condition characterised by severe, often one-sided headaches frequently accompanied by dizziness, nausea, and visual disturbances. Migraines have both genetic and environmental components.

  • Medication side effects

    Numerous medications list headache and dizziness as potential side effects. These include blood pressure medications, antibiotics, and some pain relievers, mainly when used frequently.

  • Blood pressure fluctuations

    Both high blood pressure (hypertension) and low blood pressure (hypotension) can cause headaches and dizziness. Sudden changes in blood pressure, such as standing up quickly, may trigger these symptoms.

  • Anaemia

    Reduced oxygen transport due to low haemoglobin levels can lead to headaches and dizziness. This condition is more common in women, particularly during menstruation or pregnancy.

  • Hypoglycaemia

    Low blood sugar levels can trigger both headaches and dizziness, especially in people with diabetes or those who have gone for long periods without eating.

  • Vestibular migraine

    A condition that combines migraine symptoms with pronounced dizziness and balance problems. This disorder specifically links the two symptoms through neurological mechanisms.

  • Concussion or head injury

    Trauma to the head can cause post-concussion syndrome, with persistent headaches and dizziness lasting weeks or months after the initial injury.

Types of Headaches and Dizziness

Tension headaches

The most common headache type, characterised by mild to moderate pain that feels like a tight band around the head. They develop gradually, affect both sides, and last from 30 minutes to several days. Common triggers include stress, poor posture, and muscular tension in the neck and shoulders.

Migraine headaches

Intense, throbbing pain, usually on one side of the head, and may be accompanied by nausea, vomiting, and sensitivity to light and sound. Some individuals experience an aura (visual or sensory disturbances) preceding the onset. Migraines can last for hours or days and may have genetic links.

Cluster headaches

Extremely severe headaches occurring in cyclical patterns. The pain is intense, burning, or piercing, typically centred around one eye or temple. Attacks can occur up to eight times daily during a cluster period, which lasts 15 minutes to three hours. Symptoms may include tearing, nasal congestion, and restlessness.

Secondary headaches

Caused by underlying medical conditions such as sinus infections, dental issues, concussions, brain tumours, or blood vessel abnormalities. Treating the underlying cause is necessary to alleviate symptoms.

Vertigo

A sensation of spinning or movement, often due to vestibular system issues in the inner ear or brain. Common causes include benign paroxysmal positional vertigo (BPPV), Ménière’s disease, vestibular neuritis, and migraines. Episodes range from mild and brief to severe and prolonged.

Presyncope

Light-headedness and a feeling of impending fainting, typically linked to reduced blood flow to the brain. Causes include orthostatic hypotension, cardiac arrhythmias, and vasovagal reactions. Unlike vertigo, presyncope does not involve spinning sensations.

Disequilibrium

Unsteadiness or imbalance when standing or walking, without spinning or light-headedness. Often linked to proprioceptive system issues, cerebellar dysfunction, or nervous system disorders. More common in older adults, increasing fall risk.

Diagnostic Methods

  • Medical history and symptom assessment

    The evaluation begins with a detailed discussion of headache and dizziness patterns, including frequency, duration, triggers, and associated symptoms. This also covers medication use, family history, and the impact on daily activities. Identifying these factors helps differentiate between types of headaches and dizziness and determine the need for further testing.

  • Physical examination

    A thorough assessment includes measuring blood pressure and heart rate, and conducting neurological tests. The head, neck, eyes, and ears are examined, and specific manoeuvres may be performed to assess balance, coordination, and reflexes. For dizziness, positional tests like the Dix-Hallpike test can help diagnose vestibular disorders such as BPPV.

  • Blood tests

    Laboratory investigations may be conducted to check for anaemia, infection, thyroid dysfunction, diabetes, or other metabolic disorders that could contribute to symptoms. Tests may also assess inflammatory markers and vitamin levels, such as B12 or D, to identify potential deficiencies.

  • Barium Swallow Radiograph

    The patient drinks a liquid containing barium, which coats the oesophagus and stomach, making them visible on X-rays. This test helps identify structural abnormalities such as hiatal hernias, strictures, or other issues linked to GERD.

  • Impedance Testing

    This test combines pH monitoring with the measurement of non-acidic reflux. Sensors on a catheter detect acidic and non-acidic reflux episodes, making it useful for patients with persistent symptoms despite taking acid-suppressing medication.

Treatment Options

Treatment for headaches and dizziness varies depending on the specific diagnosis, severity of symptoms, and individual factors. The following options are typically available:

Medications

  • Pain relievers: Over-the-counter medications such as paracetamol, ibuprofen, or aspirin can help alleviate mild to moderate headaches, including tension headaches and mild migraines. These should be used cautiously to prevent medication overuse, which might not be effective for headaches.
  • Migraine treatments: Prescription medications may be recommended for migraines. These work by targeting migraine-specific mechanisms to reduce pain and associated symptoms.
  • Vertigo medications: Drugs such as betahistine, prochlorperazine, or cinnarizine can help manage dizziness and vertigo by acting on the vestibular system or neurotransmitters involved in balancing. These may cause drowsiness.
  • Preventive medications: For individuals with frequent or recurrent headaches, a GP may prescribe beta-blockers, antidepressants, or anticonvulsants to reduce the frequency and severity of episodes. These medications work by stabilising blood vessels, modulating neurotransmitter levels, or reducing nerve excitability.

Managing Triggers and Lifestyle Factors

  • Trigger management: Identifying and avoiding headache and dizziness triggers, such as dehydration, irregular sleep, stress, or dietary factors, can help reduce symptom occurrence.
  • Posture and physical activity: Maintaining good posture, engaging in regular exercise, and making ergonomic adjustments can help prevent tension headaches and dizziness associated with muscle strain.

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Prevention and Management

Effective prevention and management of headaches and dizziness involve more than just avoiding triggers. Maintaining regular sleep and meal schedules supports overall stability, while a symptom diary can help identify patterns and refine treatment strategies. For those experiencing dizziness, fall prevention measures, such as home modifications and assistive devices when needed, can enhance safety. Stress management techniques like meditation and deep breathing may help reduce episode frequency, while allowing adequate recovery time after episodes supports healing. A gradual approach to exercise is recommended, especially for individuals with vestibular conditions. Combining medical treatment with lifestyle adjustments provides a more comprehensive approach to long-term symptom management.

Frequently Asked Questions (FAQ)

When should I seek emergency care for a headache?

Seek immediate medical attention if you experience a sudden, severe headache, a headache with fever and stiff neck, a headache after a head injury, or a headache accompanied by confusion, seizures, double vision, weakness, or numbness.

How long should I wait before seeing a doctor about recurring headaches?

Consult your doctor if you have more than one or two headaches per week, if over-the-counter medications do not work, or if headaches interfere with your daily activities.

How can I tell if my dizziness is serious?

Seek urgent care if dizziness is accompanied by chest pain, irregular heartbeat, severe shortness of breath, sudden severe headache, facial drooping, inability to speak clearly, or difficulty moving limbs.

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Dr. Chok Aik Yong

MBBS|MRCS (UK)|MMed (Surgery)|FRCS (UK)

Expertise lies in managing colorectal diseases, particularly advanced colorectal cancer and inflammatory bowel disease.

  • Dr Chok graduated with degrees in Bachelor of Medicine and Surgery from the National University of Singapore. He was conferred the Master of Medicine (Surgery) in Edinburgh (UK) and a member of the Royal College of Surgeons, UK. He subsequently completed his specialist training in colorectal surgery and became a Fellow of the royal college of Surgeons in Edinburgh in 2016.
  • Dr Chok was awarded the Health Manpower Development Plan (HMDP) award in 2019 to further advance his colorectal training at Royal Marsden Hospital, one of the top 5 cancer centres in the world. While in London, Dr Chok trained with pioneers in the surgical management of advanced colorectal cancer and inflammatory bowel disease (IBD) and gained extensive experience while appraising the latest clinical and research evidence.
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