BASH Guideline

ACE - Angiotensin converting enzyme

AHS - American Headache Society

ARB - Angiotensin receptor blocker

BASH - British Association for the Study of Headache

BD - Bis in die (lat. Twice daily)

CGRP - Calcitonin gene related peptide

CNS - Central nervous system

CSF - Cerebrospinal fluid

CT - Computer tomography

ECG - Electrocardiogram

EFNS - European Federation of Neurological Societies

GCA - Giant cell arteritis

GON - Greater occipital nerve

GP - General practitioner

HIT-6 - Headache Impact Test 6

IHS - International Headache Society

ICHD - International Classification of Headache Disorders

IIH - Idiopathic intracranial hypertension

LP - Lumbar puncture

MG - Milligrams

MHRA - Medicines and Healthcare products Regulatory Agency

MOH - Medication overuse headache

MRI - Magnetic resonance imaging

NICE - National Institute for Health and Care Excellence

NNT - Number needed to treat

NSAID - Non-steroidal anti-inflammatory

OD - Omne in die (lat. Once daily)

QDS - Quater die sumendum (lat. Four times daily)

RCT - Randomised controlled trial

SAH - Subarachnoid haemorrhage

SIGN - Scottish Intercollegiate Guidelines Network

SPGS      Sphenopalatine ganglion stimulation

SUNA - Short lasting unilateral neuralgiform headaches with cranial autonomic symptoms

SUNCT - Short lasting unilateral neuralgiform headaches with conjunctival injection and tearing

TAC - Trigeminal autonomic cephalagia

TDS - Ter die sumendum (lat. Three times daily)

TTH - Tension-type headache