Chronic migraines differ from occasional headaches in terms of frequency and intensity. They are typically defined as recurring headaches occurring on 15 or more days per month for at least three months, with migrainous features on at least eight of those days.
These migraines are often accompanied by symptoms like nausea, sensitivity to light and sound, and sometimes aura—an array of neurological disturbances preceding the headache. Chronic migraines are a debilitating condition characterized by recurrent and severe headaches.
Research suggests that chronic migraines involve an increased sensitivity of certain brain regions, such as the trigeminovascular system responsible for pain perception.
Various factors like stress, hormonal changes, disrupted sleep patterns, certain foods, and environmental stimuli can act as triggers for migraines. These triggers may interact with underlying brain abnormalities to initiate an attack.
Imaging studies have revealed alterations in gray matter volume and density in regions involved in pain processing, emotional regulation, and sensory integration. These changes may contribute to the persistent pain experienced during migraines.
Migraines have been associated with abnormal patterns of functional connectivity between different brain regions, affecting networks involved in pain modulation, attention, and emotional regulation.
Chronic migraines have been linked to difficulties in attention, memory, and executive function. These cognitive changes may be a consequence of underlying brain abnormalities.
Chronic migraines are a complex brain disorder characterized by increased brain sensitivity, neurotransmitter imbalances, and abnormal brain activity. Genetic predisposition and environmental triggers further contribute to the development of migraines.
Understanding the underlying mechanisms and impact on the brain is crucial for improving treatments and alleviating the burden faced by individuals affected by this condition.
So, if you experience any of these symptoms, contact your doctor as soon as possible.
Dr. Navin Tiwari