BELL'S PALSY AND PHYSIOTHERAPY

 BELL’S PALSY

• BELL’S PALSY is a first-degree lesion of your facial nerve in which there is temporary loss of or diminution of facial muscle action on one side of your face.
• Neuropraxic lesion of the facial nerve is bell’s palsy in which there is transient ischemia at the point of nerve injury that cause conduction block due to degeneration of myelin sheath.
• No Wallerian degeneration occurs.
• No loss of axonal continuity.
• Hence it is completely reversible but can take a few hours or weeks to resolve. Complete recovery may take a few months. It rarely re-occurs.
• Physiotherapy plays a very crucial role in maintaining and restoring the functions. They also prevent the muscles from permanently contracting.

WHAT ARE THE CAUSES OF BELL'S PALSY?

• Viral infections
• Exposure to severe cold
• Trauma
• Rarely by severe stress
• However, the exact cause is still unknown.

SYMPTOMS of Bell's palsy

• Sudden loss or decrease in muscle functions on one side of the face within a few hours or days.
• Drooling of saliva
• Unable to close the affected eyes completely.
• Dropping of mouth angle on the affected side.
• Loss of frowning.
• Pain inside or behind the affected ears and increased sensitivity to sound.
• Headache
• Unable to blow a candle or balloon and smile.
• Dryness in the eye and loss of taste.
• See the doctor immediately when you experience any of the above symptoms or paralysis of the face to rule out the severity of the lesion.

PHYSIOTHERAPY TREATMENT FOR BELL’S PALSY

• Faradic nerve stimulation
• Ultrasound
• Infrared
• Facial muscle exercise for bell's palsy

Precaution in Bell's palsy

• Avoid eating cold substances
• Use a scarf to cover up the head and face 
• Don't take in hot substances when there is a sensory loss in the anterior 2/3rd of the tongue.

HOW TO DO FACIAL EXERCISES?

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