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The typical form results in episodes of severe, sudden, shock-like pain in one side of the face that lasts for seconds to a few minutes. [1] Groups of these episodes can occur over a few hours. [1] The atypical form results in a constant burning pain that is less severe. [1] Episodes may be triggered by any touch to the face. [1]
The main difference between SUNCT and SUNA is the clinical presentation of the secondary autonomic symptoms. In SUNCT, both conjunctival injection (red eyes) and lacrimation on the same side of the headache should be present. In SUNA, one or both of these two symptoms are absent, and other autonomic symptoms may be present instead.
ATN pain can be described as heavy, aching, stabbing, and burning. Some patients have a constant migraine-like headache. Others may experience intense pain in one or in all three trigeminal nerve branches, affecting teeth, ears, sinuses, cheeks, forehead, upper and lower jaws, behind the eyes, and scalp.
The only exceptions to this rule are certain spinal-cord lesions and the medullary syndromes, of which Wallenberg syndrome is the best-known example. In this syndrome, a stroke causes a loss of pain-temperature sensation from one side of the face and the other side of the body. This is explained by the anatomy of the brainstem.
Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). [1] There is often accompanying eye watering, nasal congestion, or swelling around the eye on the affected side. [1] These symptoms typically last 15 minutes to 3 hours. [2]
Contact lenses and certain medications can also cause dry eye, she says, adding: “If you think you are experiencing dry eye, talk to your ophthalmologist about the best treatment options for you.”
Ocular neuropathic pain, also called corneal neuralgia, is a spectrum of disorders of ocular pain which are caused by damage or disease affecting the nerves.Ocular neuropathic pain is frequently associated with damaged or dysfunctional corneal nerves, [1] but the condition can also be caused by peripheral or centralized sensitization. [2]
Hemifacial spasm (HFS) is a rare neuromuscular disease characterized by irregular, involuntary muscle contractions on one side (hemi-) of the face (-facial). [1] The facial muscles are controlled by the facial nerve (seventh cranial nerve), which originates at the brainstem and exits the skull below the ear where it separates into five main branches.