Nausea and vomiting can be symptoms associated with brain tumours, primarily due to the tumour's impact on the brain or its surrounding structures  These symptoms can occur due to various reasons:

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Increased Intracranial Pressure

As a brain tumour grows, it can cause an increase in pressure within the skill. This elevated pressure can irritate the brain or effect the normal flow of cerebrospinal fluid, leading to nausea and vomiting.

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Direct Effect on the Brain

Tumours situated in areas of the brain responsible for regulating nausea and vomiting can directly disrupt these functions, causing these symptoms.

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Brain Swelling

The growth of the tumour can lead to swelling or inflammation in the brain, triggering sensations of nausea and the urge to vomit.

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Effect on the Digestive System

Some brain tumours might indirectly affect the digestive system, leading to nausea and vomiting as a secondary response.

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These symptoms may vary in severity and frequency based on the tumour's size, location and impact on surrounding brain structures.  It's important to discuss any persistent nausea and vomiting, particularly if accompanied by other symptoms with a healthcare professional.

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