Persistent headache
Persistent headaches can have many possible causes — some are minor, while others may be more serious, including the possibility of a brain tumor. That said, most persistent headaches are not caused by brain tumors.
Headache Symptoms More Suggestive of a Brain Tumor
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Headaches worse in the morning, or that wake you up at night
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Nausea or vomiting, especially with no stomach illness
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Worsening over weeks/months
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Accompanied by seizures, confusion, or vision/hearing changes
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One-sided weakness, tingling, or trouble speaking
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Unresponsive to usual headache medication