41 Headaches
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Secondary Causes
- secondary headache causes
- lack of papilledema key finding of secondary headaches
Primary Causes
Tension
Migraine
Symptoms
Pathogenesis
- used to be believed vasodilation is cause because vasoconstrictors help
- trigeminal nerve involved
Treatment
Abortive
- vasoconstrictors, thus CI in CAD, angina
- ischemia to digits
- if used too much can have overuse headaches
Preventive
- either blocking NA in nerves or increase GABA
- diabetics: if hypoglycemic, can be masked
Pregnancy and Migraines
- usually stop preventative therapies
Cluster
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