Headaches are common and are often caused by harmless factors like stress or dehydration. In some cases, however, they may signal something more serious. Here are key symptoms experts say should not be ignored.
Headaches that feel different

Headaches linked to brain tumours may feel unlike your usual headaches and often develop gradually.
Headaches that worsen over time

Symptoms can become more severe as time passes and may intensify progressively.
No relief from painkillers

Headaches caused by brain tumours typically do not improve with standard pain relief.
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Worse in the morning

The pain is often strongest in the morning or after waking up.
Pain triggered by movement

Headaches may worsen when you strain, cough or bend over.
Unexplained nausea

Feeling sick, especially in the morning without a clear reason, may be linked to increased pressure in the brain.
Vomiting

Vomiting can occur alongside nausea due to pressure inside the skull.
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Dizziness

Some people experience dizziness in connection with nausea and brain pressure.
Movement problems

Tumours can affect movement, causing weakness, numbness or tingling on one side of the body.
Balance and coordination issues

Difficulty with balance and coordination can be a sign that the brain is affected.
Speech difficulties

Struggling to find words, slurred speech or difficulty understanding language can be linked to a brain tumour.
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Vision problems

Blurred vision, double vision, temporary darkening when standing up, or partial loss of sight may occur.
Kilder: Mirror
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