What Is Bell’s Palsy?

Bell’s palsy is a sudden weakness or paralysis of the muscles on one side of your face. It happens when the facial nerve (cranial nerve VII) becomes inflamed or compressed. Symptoms usually appear over hours, not weeks.

Common features include:

• One-sided facial droop or weakness.
• Difficulty closing the eye on the affected side.
• Changes to smiling, frowning, or raising your eyebrows.
• Drooling or difficulty keeping fluid in your mouth.
• Altered taste on the front of the tongue.
• Sensitivity to sound on the affected side.

Most people improve over weeks to months. Physiotherapy and medical care aim to support facial nerve recovery, protect the eye, and reduce long-term stiffness or abnormal movement.

Bell’s Palsy or Stroke?

Bell’s palsy affects the facial nerve outside the brain. A stroke affects the brain itself. Both can cause facial droop, so it is vital to know red flags.

Call emergency services (000 in Australia) or go to hospital urgently if you notice:

• Sudden facial droop plus weakness in an arm or leg.
• Difficulty speaking or finding words.
• Sudden loss of vision, severe headache, or confusion.
• Symptoms on more than one side of the body.

Do not wait to see if these symptoms settle. Stroke treatment is time-critical.

Facial Nerve and Facial Muscle Control

The facial nerve controls:

• Eye closure and blinking.
• Forehead and eyebrow movement.
• Cheek and lip control for smiling, talking, and eating.
• Certain taste and tear functions.

When the nerve inflames, electrical signals from the brain reach the facial muscles less effectively. This leads to weakness, slower movement, or complete paralysis on the affected side.

Causes and Risk Factors for Bell’s Palsy

In many people, Bell’s palsy is idiopathic, meaning an exact cause is not found. Viral inflammation of the facial nerve (for example, herpes simplex) is often proposed.

Common contributors and risk factors include:

• Recent viral illness.
• Diabetes or impaired glucose control.
• Pregnancy (especially third trimester or early post-partum).
• High blood pressure.
• Autoimmune or inflammatory conditions.

Your doctor will screen for other possible causes of facial weakness, such as stroke, tumours, ear infections, Lyme disease (where relevant), or trauma.

Bell’s Palsy Symptoms

Common symptoms include:

• Facial droop on one side, often noticed in photos or the mirror.
• Inability to raise your eyebrow or wrinkle your forehead on one side.
• Incomplete eye closure or dry, irritated eye.
• Difficulty sealing lips, leading to drooling or food escaping.
• Reduced ability to smile or show expression on the affected side.
• Altered taste or sensitivity to sound.

Symptoms usually:

• Develop over hours to a day or two.
• Peak in the first 48–72 hours.
• Gradually improve over weeks to months.

Most people begin to recover within three weeks and continue improving over three to six months.

Is It Bell’s Palsy or Something Else?

Other conditions can mimic Bell’s palsy, including:

• Stroke or transient ischaemic attack (TIA).
• Brainstem or ear tumours.
• Severe middle ear infections.
• Lyme disease (in some regions).
• Ramsay Hunt syndrome (facial palsy with shingles rash around the ear).

Always seek medical assessment, especially for your first episode of facial weakness. Your doctor may order scans or blood tests if they are concerned.

How Is Bell’s Palsy Diagnosed?

Diagnosis usually begins with your GP, emergency doctor, or neurologist. They will:

• Ask about how quickly symptoms developed and any recent illness.
• Check facial movement and symmetry.
• Screen eye closure, speech, limb strength, and coordination.
• Look for rash, ear symptoms, or signs of other neurological problems.

In many cases, no scan is needed. However, MRI, CT, or other tests may be used to:

• Exclude stroke or other brain causes.
• Investigate recurrent or atypical facial palsy.
• Assess additional neurological signs.

Your physiotherapist works alongside your doctor rather than replacing medical assessment.

Do I Need Immediate Medical Treatment?

You should see a doctor promptly if:

• Facial weakness develops suddenly.
• You cannot close one eye properly.
• You have severe ear pain, rash, or dizziness.

Early treatment may include:

• Short courses of corticosteroids.
• Antiviral medication in selected cases.
• Eye protection measures such as drops, gels, or taping at night.

These decisions sit with your medical team. Physiotherapy then focuses on safe movement and recovery.

Best Treatment for Bell’s Palsy

Management usually combines medical treatment, eye care, and physiotherapy. Your plan is tailored to your severity and stage.

Most people benefit from:

• Early education and eye protection.
• Gentle facial muscle activation strategies.
• Guided progression to more complex facial expressions.
• Long-term strategies to manage stiffness or unwanted movements (synkinesis) if they occur.

How Physiotherapy Helps Bell’s Palsy

Physiotherapy can assist by:

• Teaching safe facial exercises without overworking weak muscles.
• Using mirrors or video feedback to improve facial symmetry.
• Providing manual techniques for tight or overactive muscles.
• Advising on eye protection, posture, and day-to-day activity.

In more persistent cases, physiotherapists may use neuromuscular retraining techniques to reduce abnormal linked movements such as eye closure during smiling.

Eye Protection and Comfort

Protecting the eye on the affected side is vital. You may need:

• Lubricating eye drops or gel.
• Protective glasses or moisture chambers.
• Eye taping at night as directed by your doctor.

Discuss all eye strategies with your doctor or eye specialist, especially if your eye feels dry, gritty, or painful.

Facial Exercises and Neuromuscular Retraining

Facial exercises are most effective when they are:

• Targeted to specific weak muscles.
• Performed slowly, with good control.
• Matched to your stage of recovery.

Your physiotherapist may use:

• Mirror practice to check symmetry.
• Small, controlled movements before “big” expressions.
• Exercises to reduce overactivity on the stronger side.

Electrical stimulation is not routinely recommended for everyone with Bell’s palsy, as it may not improve outcomes in some cases and could increase abnormal movement if used incorrectly. Your physiotherapist and doctor can discuss whether it is suitable in your situation.

Phased Rehabilitation for Bell’s Palsy

Your program will be individual, but a common framework includes three phases.

Phase I – Protect and Support (First Weeks)

• Eye protection and comfort strategies.
• Education about facial nerve recovery and realistic timelines.
• Gentle “thinking” and minimal activation of facial movements without forcing.
• Relaxation and breathing exercises to manage stress and jaw or neck tension.

Phase II – Restore Movement and Symmetry

• More targeted facial exercises for forehead, eye, cheek, and mouth.
• Mirror feedback and video practice.
• Training for everyday expressions: smiling, speech, and eating.
• Careful progression to avoid overworking facial muscles.

Phase III – Refine Control and Prevent Long-Term Problems

• Neuromuscular retraining for any unwanted linked movements (synkinesis).
• Soft-tissue work for tight or overactive muscles.
• Strategies to keep expression as relaxed and symmetrical as possible.
• Maintenance program for those with incomplete recovery.

How Long Does Bell’s Palsy Take to Recover?

Recovery time varies. Many people notice:

• Early improvement within three weeks.
• Ongoing gains over three to six months.
• Further, slower changes for up to 12 months.

Outcomes depend on:

• Severity of the initial palsy.
• How quickly treatment starts.
• Age, general health, and other medical conditions.

Some people recover fully. Others may have mild residual weakness or synkinesis. Early, well-guided rehabilitation improves your chances of a better long-term result.

Funding: NDIS, Medicare, DVA & Private Health

NDIS and Bell’s Palsy

Bell’s palsy alone is usually a temporary condition and may not meet NDIS eligibility. However, physiotherapy may be funded under the NDIS if facial weakness forms part of a broader, significant and permanent disability.

Our team can:

• Provide physiotherapy for self-managed and plan-managed NDIS participants.
• Assist with functional reporting where appropriate.

Medicare, DVA, WorkCover and Private Health

Depending on your situation, you may be able to use:

• Medicare Chronic Disease Management (CDM) plans arranged by your GP.
• Department of Veterans’ Affairs (DVA) funding where eligible.
• WorkCover or other compensable schemes, if facial palsy is injury-related.
• Private health insurance rebates, with on-the-spot HICAPS claiming at most clinics.

Our reception team can outline your options when you call or book.

Can You Prevent Bell’s Palsy?

There is no guaranteed way to prevent Bell’s palsy. However, good general health habits such as managing blood pressure, blood sugar, stress, and sleep can support overall nerve health.

If you have had Bell’s palsy before, early review with your doctor and physiotherapist when symptoms feel “different” or start to return can help guide next steps.

When Should You See a Physiotherapist?

Book a physiotherapy assessment if:

• You have a diagnosis of Bell’s palsy and want guidance on safe exercises.
• Your facial weakness is not improving as expected.
• You develop tightness, twitching, or abnormal linked movements.
• Chewing, speaking, or facial expression feel awkward or effortful.

Early guidance can support better nerve recovery, reduce unwanted stiffness, and improve your confidence in social and work situations.

What To Do Now

Bell’s palsy can be confronting. Changes to your face and expression may affect how you feel, talk, and interact with others. The good news is that most people improve, and there are clear steps you can take.

A PhysioWorks physiotherapist can:

• Assess your facial movement and eye protection needs.
• Design a tailored facial exercise and retraining program.
• Support your recovery with practical advice for work, home, and social life.

Booking early helps protect your eye, guide nerve recovery, and reduce the risk of long-term stiffness or synkinesis.

Bell’s Palsy FAQs

Is Bell’s palsy permanent?

Most people with Bell’s palsy recover fully or nearly fully over several months. A smaller group has some ongoing weakness, tightness, or abnormal linked movements. Early medical care and physiotherapy can improve long-term outcomes.

How long does Bell’s palsy take to recover?

Many people notice early improvement within three weeks and continue to recover over three to six months. Mild palsy may resolve faster. Severe palsy can take longer and may leave some residual changes.

Can physiotherapy help Bell’s palsy?

Yes. Physiotherapy can help you protect your eye, use safe facial exercises, and retrain symmetry and control. It also helps manage stiffness and unwanted linked movements if they appear during recovery.

Is Bell’s palsy a stroke?

No. Bell’s palsy is a facial nerve problem outside the brain. A stroke affects blood supply inside the brain. Because both can cause facial droop, any sudden weakness with speech or limb changes needs urgent medical assessment.

What makes Bell’s palsy worse?

Delays in eye protection and treatment can increase discomfort and the risk of complications. Over-exercising weak facial muscles or using unstructured electrical stimulation may also increase abnormal movement patterns. It is safer to follow an individual plan from your doctor and physiotherapist.

Related Articles

1. Neurological Physiotherapy
2. Headache, Neck & Jaw Pain
3. Jaw Pain Overview
4. Neck Pain Information
5. Vestibular & Balance Rehabilitation
6. NDIS & Physiotherapy

References

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2. Baugh RF, Basura GJ, Ishii LE, et al. Clinical practice guideline: Bell’s palsy. Otolaryngology–Head and Neck Surgery. 2013;149(3 Suppl):S1–S27.
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3. Teixeira LJ, Valbuza JS, Prado GF. Physical therapy for Bell’s palsy (idiopathic facial paralysis). Cochrane Database of Systematic Reviews. 2011;Issue 12:CD006283.
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4. Beurskens CHG, Heymans PG. Positive effects of mime therapy on sequelae of facial paralysis: stiffness, lip mobility, and social and physical aspects of facial disability. Otology & Neurotology. 2003;24(4):677–681.
   PubMed
5. Holland NJ, Weiner GM. Recent developments in Bell’s palsy. BMJ. 2004;329(7465):553–557.
   PubMed

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