Trigeminal neuralgia (TN), also referred to as tic douloureux, is a chronic pain condition that impacts the trigeminal nerve, which carries sensory information from the face to the brain. It is characterized by sudden, sharp, electric shock-like or stabbing pain, usually on one side of the face. These pain episodes can occur spontaneously or be triggered by mild touch to the face, such as while brushing teeth, eating, or even from a light breeze.
Characteristics:
Causes:The exact cause of trigeminal neuralgia is not always known, but it is often linked to:
Diagnosis:Diagnosis typically includes:
Effective management of trigeminal neuralgia generally involves a personalized approach, including medications, surgical options, and lifestyle modifications to manage pain and improve quality of life.
Trigeminal Neuralgia is characterized by intense pain that can last anywhere from a fraction of a second to 2 minutes, or occasionally longer. The pain is often described as shock-like, stabbing, shooting, or sharp, typically affecting one side of the face. In some cases, the pain may present as a dull, persistent ache, which is known as "atypical trigeminal neuralgia."
The frequency of attacks can range from 1 to 50 times per day, and the severity of the pain often increases over time. Sufferers may also experience eye tearing or redness on the same side as the facial pain.
Those with Trigeminal Neuralgia often report heightened sensitivity, where even mild stimuli can trigger painful attacks that last from seconds to minutes. Such triggers include:
Trigeminal Neuralgia is more common in women (60%) than men (40%) and tends to affect individuals over the age of 50.
This type of Trigeminal Neuralgia occurs when the condition is caused by neurovascular compression, with no other obvious cause. The compression usually happens at the nerve root in the brainstem, where a blood vessel, vein, or artery presses against the nerve.
Classical Trigeminal Neuralgia can be further categorized into two forms:
This type of Trigeminal Neuralgia refers to patients who develop the condition due to an underlying health issue. Common causes include Multiple Sclerosis, tumors in the cerebellopontine angle, or arteriovenous malformation.
This type of Trigeminal Neuralgia refers to patients who experience the condition’s symptoms but show no abnormalities on electrophysiological tests or MRIs. Similar to Classical Trigeminal Neuralgia, this diagnosis may indicate brainstem pathology.
Trigeminal Neuralgia is further divided into “Purely Paroxysmal,” where pain-free intervals occur between attacks, and “with Concomitant Continuous Pain,” which involves mild pain between episodes. Around half of those with Trigeminal Neuralgia experience continuous pain alongside severe attacks.
Patients often remain undiagnosed or misdiagnosed for long periods, as their symptoms can resemble those of Migraines or Cluster Headaches.
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