Facial nerve palsyĭamage to facial nerve (often caused by a pressing tumor) can cause facial droop accompanied by loss of hearing and taste sensations. Forehead wrinkling is also possible in case of a stroke. Also, the eye on the affected side of the face can still be closed in case of a stroke. For example, stroke can affect non-facial muscles in addition to the facial muscles. Facial droop caused by stroke has different features than facial droop caused by Bell’s palsy. Oxygen deprivation caused by a lack of blood supply results in death of the brain tissue in the affected region. Stroke is caused by reduced blood supply to any part of the brain. Prompt diagnosis and treatment of this condition (within a week) can reduce the chances of complications. Upon reactivation, it can cause complications by infecting the facial nerve. This virus can remain dormant in the body for many years. Varicella zoster is the virus that is responsible for chickenpox. Ramsay Hunt syndrome refers to a unilateral facial droop caused by an infection of the facial nerve by the Varicella zoster virus. In cases where the damage to the facial nerve is particularly severe, some signs of facial paralysis may remain.Īsk a Doctor Online Now! Ramsay Hunt syndrome Recovery may take a few weeks to a few months. Most people recover from Bell’s palsy even without treatment. The incidence of Bell’s palsy increases with aging. People with diabetes, infections of the upper respiratory tract, and pregnant women have a relatively higher risk of suffering from Bell’s palsy. Bell’s palsy is one of the most common causes of unilateral facial droop. The most common cause of facial nerve inflammation is a viral infection caused by Herpes simplex virus. Bell’s palsyīell’s palsy refers to a temporary paralysis of the facial muscles that is caused by an inflammation of the facial nerve. Some of the common causes of facial droop have been discussed in detail. There are myriad causes of facial droop, including infections, trauma, and various systemic pathologies. Read more on tingling and numbness of the face. Examples of conditions that may cause bilateral facial droop include sarcoidosis, lyme disease, Guillain-Barre syndrome, AIDS, polio, tuberculosis, and leprosy. Taste sensations may also be affected.īilateral facial droop, although uncommon, may be caused by some systemic conditions. The eyebrow and the corner of the mouth on the affected side may droop. For example, it may become difficult to close the eye on the affected side of the face. This causes distortion of the normal face structure. Most cases of facial droop affect only one side of the face (termed as unilateral facial droop). In addition, the facial nerve also supplies parasympathetic nerve fibers to the salivary and lachrymal glands. The anterior two-thirds of the tongue is innervated by the sensory fibers of the facial nerve. The facial nerve is also responsible for facial sensations. The motor fibers of the facial nerve innervate the facial muscles and the stapedius muscle.
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