Newly occurring headaches, especially those that lead to waking headaches at night, i.e. waking with pain.
A previous history of headache but a change in the severity, location and nature of this headache.
Accompanied by fever, or other neurological signs, such as impairment of limb movement or sensation.
A pre-existing more serious systemic disease, such as a systemic tumour or rheumatic immune disease, accompanied by a new headache.
When any of these occur, patients are advised to seek prompt consultation with a neurologist or emergency room.
For patients with clearly diagnosed neurological headaches, especially migraines and tension headaches, take care to follow medical advice: live a regular life, eat a light diet, and avoid the various triggers that have been identified.