How to abbreviate Headache

HA - Headache

h/a - headache
HH - headache
Headache in definitions
HI - Headache Index
CCH - Cluster Headache
CH - cluster headache
TH - tension headache
MH - migraine headache
HAT - headache of tension
HIT - Headache Impact Test
BCH - Benign cough headache
CeH - Cervicogenic headache
CGH - cervicogenic headache
CH - Cervicogenic headache
TH - tension-type headache
TTH - Tension-type headache
CDH - chronic daily headache
DCH - daily chronic headache
PTH - posttraumatic headache
PTHA - Posttraumatic headache
FVH - Focal Vascular Headache
CTH - chronic tension headache
ECH - episodic cluster headache
NNIHAH - Not Now I Have A Headache
MCH - muscle contraction headache
MIH - medication-induced headache
MOH - medication overuse headache

NHF - National Headache Foundation
EHF - European Headache Federation
ISH - idiopathic stabbing headache