Persistent Migraine Aura (PMA)
persistent aura without infarction
Migraine aura (ie visual) which hangs around for more than a week (and could last for years).
To be diagnosed, it must occur in a patient who has had previous migraine attacks with aura. Death of brain cells (infarction), and other related disorders must be ruled out.
Aura symptoms, and especially visual aura symptoms such as:
- Visual snow
- Flashing lights
Drugs such as acetazolamide, valproic acid, furosemide, verapamil, and lamotrigine
PMA can be very difficult to treat.
For more information, read Persistent Migraine Aura and Visual Snow? and Visual Snow and Persistent Migraine Aura â€“ tests and treatments
Selected References: The visual aura rating scale as an outcome predictor for persistent visual aura without infarction. Cephalalgia 2008; The International Classification of Headache Disorders 2nd edition 2003; Is ‘visual snow’ a symptom of migraine? Dr Paul Shanahan; Is Visual Snow a Migraine Aura?; Migraine with Persistent Visual Aura: Response to Furosemide Clinics 2009; It’s snowing! Seven cases of persistent migrainous visual aura Saint Louis University; The visual aura rating scale as an outcome predictor for persistent visual aura without infarction. Cephalalgia 2008