what are the common types of headache (benign)
migraine
muscular tension
analgesia overuse
systemic illness
cervicogenic
what are some serious types of headache
subarachnoid haemorrhage
raised intercranial pressure
infection-meningitis
temporal arteritis
cerebral venus sinus thrombosis
low intercranial pressure
what questions should you ask in a headache history
-how long?
-position?
-character- pressure, sharp, ache dislike of light/noise?
-frequency?
-diurnal variation?
-change in character? progression
-nausea/vomiting?
-postural- worse lying down?
-other neurological symptoms- aura? double vision?
-previous medical history, fam history?
-medicine- how often?
what is IBS linked to (headache wise)
venous sinus thrombosis
what history of symptoms do you get with a tension headache
-lasts week, months, years
-tightness, pressure round the head
-constant- worse in evening (stress build throughout day)
-frequently used analgesia
-rarely present with nausea
what is treatment for a tension headache
-reassurance about severity and duration
-won’t go away overnight
-relaxation exercises
-reduce analgesia- to stop analgesia induced headache
LOW DOSE AMITRIPTYLINE (10-20mg)
what are some symptoms of a migraine
-classically on one side
-most headache with nausea will be migraine
-unilateral or bilateral, usually hours-days
-photophobia, phonophobia, gut symptoms
(IBS may be a form of gut migraine- responds to amitriptyline)
-pulsating, sharp
-women more common, especially mid-cycle, menopause (oestrogen)
- can have an AURA
discuss auras that might be found in migraines
visual problems – such as seeing flashing lights, zig-zag patterns or blind spots.
can be visual, weakness, sensory and spread over minutes
can look similar to hemiplegia from stroke
BLACK AND WHITE SCOTOMA
what does a coloured scotoma indicate
it is a danger sign as is associated with epilepsy
what is a scotoma
blind spot or partial loss of vision in what is otherwise a perfectly normal visual field
what are some causes of migraine
-vascular (reduce blood flow-increase toxicity) and neural (overstimulated neurons) mechanisms together
look for triggers- FOOD, ALCOHOL, BEGINNING OR END OF WORKING WEEK
might be exacerbated by physical activity, bang on the head
family history
keep a DIARY
what treatments do you use for acute migraines
aspirin, paracetamol
anti-nausea
TRIPTANS
what are some anti-nausea drugs
prochlorperazine
metoclopramide
what treatments do you use if migraines occur more than twice a month
-prophylactics
beta blockers- propranolol
low dose amitriptyline
pizotifin
topiramate
sodium valproate
candesartan
flunarazine
lisinopril
methysergide
botulinum toxin injection every 90 days
anti-cgrp monoclonal antibodies - ERENUMAB
acupuncture
what is the issue with methysergide
ergot derivative
therefore:
retroperitoneal fibrosis
hallucinations
when can you use erenumab to treat migraines
if have more than 4 migraines a month
must have tried at least 3 other prophylactics
can women use OCP if have migraine and aura
no
due to a stroke risk
describe symptoms of trigeminal autonomic cephalagia (TAC)
rare
commonest cause is CLUSTER HEADACHE
-unilateral, often around eye
-circadian rhythm, same time of day
-clustering in period usually a few weeks, then goes comes back- SUICIDE HEADACHES
recurrent pain in trigeminal distribution
autonomic features- eye watering, nasal congestion, redness eye
MORE COMMON IN MEN
other causes-
PAROXYSMAL HEMICRANIA
more common in WOMEN
shorter, more frequent attacks
respond to INDOMETHACIN
how do analgesic abuse headaches present
worse with analgesia
present for over 15days/month- bad headaches
common if taking common analgesia more than 15 days a month
or
more than 10 days for other acute- triptans
what is a thunderclap headache
instant or rapidly appearing within 60 seconds
very severe
must consider SUB-ARACHNOID HEAM
therefore urgent investigation
-CT
-lumbar puncture after 12 hours (look for blood/bilirubin and oxyhaemaglobin in CSF)
what is coital cephalgia
type of migraine from vasospasm
quickly reversible
comes back - which is reassuring
occurs during sex
what is coital cephalgia
type of migraine from vasospasm
quickly reversible
comes back - which is reassuring
occurs during sex
exertional
what can cause early morning headaches
break pain/spas, cycle
-obesity
-history snoring- common with alcohol
-tested by monitoring chest movements
-treated with positive pressure oxygen
how does raised intracranial pressure present as
mild headache
diurnal variation- worse in MORNING, gone by lunchtime
mild nausea
NILATERAL PAPILLOEDEMA
-could be from tumours, abscess or CSF blockage (spina bifida)