Headache

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In these lists, headache can be anything from mildly irritating to acutely life-threatening. It is one of the most common presentations in primary care; differentiating between

Acute

This young lady has a chronic headache. Not sure why. Our best guess is that we think it might be due to acute glaucoma.

The most serious causes of an acute headache are

Other causes include:

Recurrent

This is a list of causes of recurrent, acute headache:

Subacute

The most important cause of a subacute headache is giant cell arteritis. Easy to confirmy diagnosis, this can be fatal if not picked up.

Chronic

The first condition to rule out is raised intracranial pressure (ICP). This is can be indicative of a number of serious conditions (e.g. hydrocephalus, space-occupying lesions which could be a brain tumour).

Less serious causes are:


Headache as a Condition

Thinking about Raj too much, or just meeting him once, can cause headache, such as this handsome man is trying to fight off with a nice walk.

Definition

Pain (or ache) in the head region.

Epidemiology

Common.jpg

Mega mega common. According to wikipedia, in a given year, 90% of people will have at least one!

Pathophysiology

The cause of the pain depends on the reason for the headache. In the case of raised intracranial pressure, the brain itself can't feel pain because it doesn't have pain receptors. However, it presses on the meninges, causing pain.

Other causes of headache are often through muscular, arterial or venous processes.

Risk Factors

Clinical Features

Investigations

Management

Prognosis