Bells Palsy
Introduction
Source: NHS
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Bell's palsy is a condition that causes temporary weakness or paralysis of the muscles in one side of the face. It is the most common cause of facial paralysis.
Other causes of facial paralysis include:
- congenital facial palsy children born with facial weakness
- injury to the facial nerve in an accident such as a cut to the cheek or skull base fracture
- injury from surgery which is most common during surgery of the parotid gland and neck
What are the symptoms?
The symptoms of Bells palsy vary from person to person. The weakness on one side of the face can be described as either:
- partial palsy, which is mild muscle weakness
- complete palsy, which is no movement at all (paralysis) although this is very rare
Bell's palsy can also affect the eyelid and mouth, making it difficult to close and open them. In rare cases, it can affect both sides of a persons face.
It's most common in people aged 15-60, but people outside this age group can also suffer from the condition. Both men and women are affected equally.
Bell's palsy is more common in pregnant women and those with diabetes and HIV and AIDS , for reasons that are not yet fully understood.
Treating Bell's palsy
Around seven out of 10 people with Bell's palsy make a complete recovery, with or without treatment.
Most people notice an improvement in their symptoms after about two to three weeks but a complete recovery can take up to nine months. The recovery time varies from person to person and will depend on the amount of nerve damage.
Prednisolone, a type of corticosteroid, is used to reduce the swelling of the facial nerve.
Eye drops may be required to prevent problems if you are unable to close your eye. Tape may also be used to close the eye while sleeping.
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Complications
Around three in 10 people with Bells palsy will continue to experience weakness in their facial muscles, and two in 10 will be left with a more serious long-term problem.
Complications include:
- persistent facial weakness
- eye problems
- difficulty with speech, eating and drinking
- reduced sense of taste
- facial muscle twitching
Bell's palsy may reoccur in up to 14% of people, especially if there is a family history of the condition.
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Causes of Bell's palsy
Bells palsy occurs when the nerve that controls the facial muscles (facial nerve) becomes inflamed or compressed. It's not known what causes the facial nerve to become inflamed, although it's thought that a virus, possibly a herpes virus, may be responsible.
Complications of Bell's palsy
A number of complications can occur as a result of Bell's palsy, depending on the extent of nerve damage. About two in 10 people experience long-term problems resulting from Bells palsy.
Diagnosing Bell's palsy
There is no specific test to diagnose Bells palsy. However, tests can be used to rule out other conditions that cause facial paralysis. It's important to see a doctor to determine the cause.
Introduction
Bell's palsy is a condition that causes temporary weakness or paralysis of the muscles in one side of the face. It is the most common cause of facial paralysis
Symptoms of Bell's palsy
The symptoms of Bell's palsy can vary, from a mild numbness of the face, to total paralysis. It can also affect the eyelid and mouth, making it difficult to close and open them.
Treating Bell's palsy
Prednisolone is recommended as the most effective treatment for Bells palsy, and it should be started within 72 hours of the symptoms appearing. Most people recover fully from Bell's palsy within nine months.