how effective is physiotherapy treatment for bell’s palsy?

Conditions  ·  Facial Palsy

Bell’s palsy is the sudden onset of weakness or paralysis on one side of the face. It happens when the facial nerve — which controls the muscles of expression — becomes swollen and compressed, most often for reasons that are never fully identified (which is why doctors also call it idiopathic facial paralysis). It usually develops over a matter of hours, reaching its worst within two to three days.

What is Bell’s palsy?

Waking up with a drooping face is understandably alarming. Your smile may pull to one side, your eye on the affected side may not close properly, and eating, drinking or speaking clearly can suddenly feel difficult. The reassuring news is that Bell’s palsy is, for the vast majority of people, temporary — and there is a clear, sensible path to recovery.

In the UK, Bell’s palsy affects roughly 20 to 37 people in every 100,000 each year, and about 1 in 60 people will experience it at some point in their lifetime. It occurs equally in men and women, is most common between the ages of 15 and 45, and is more likely during pregnancy and in people with diabetes.

Common symptoms

• Rapid weakness or complete paralysis on one side of the face, developing over hours or days
• A drooping mouth, a one-sided smile, and difficulty making facial expressions
• Difficulty closing one eye, or an eye that feels dry and gritty
• Drooling, difficulty eating and drinking, or slightly slurred speech
• Pain around or behind the ear on the affected side, sometimes before the weakness appears
• A changed sense of taste, or heightened sensitivity to sound in one ear

Is Bell’s palsy curable?

Around 7 in 10 people recover fully without any treatment at all. Starting a short course of steroid tablets (usually prednisolone) within 72 hours improves those odds further — in the landmark UK trial, full recovery rose from about 64% to 83% at three months, and to over 94% at nine months. Your GP will decide whether steroids are suitable for you.

What is the fastest way to recover from Bell’s palsy?

There is no overnight fix — nerves heal slowly, and patience is part of the process. But you can genuinely give recovery its best chance by acting quickly and looking after the basics:

1. See a GP or call NHS 111 straight away so steroids can be started within 72 hours.
2. Protect the affected eye day and night (see below) — this is the most important piece of self-care.
3. Rest and be gentle with your face. Resist the urge to “work” it hard; forcing movement too early can cause problems later.
4. Once movement starts to return, work with a Chartered Physiotherapist on gentle, guided facial rehabilitation.

Bell’s palsy self-care at home

Good self-care protects you from complications while your nerve recovers and helps you feel more in control. Here is what matters most, in order of priority.

What about facial exercises?

Facial exercise means using your own facial muscles to make movements, which is different from massage. Specialists generally advise waiting until at least three months after onset, and only once the face is no longer floppy, before introducing movement retraining — and even then, it should be tailored to you and supervised.

This is where a Chartered Physiotherapist can help. The current evidence for tailored facial retraining is encouraging — reviews suggest it can improve facial function, particularly in moderate or longer-lasting cases — though the quality of that evidence is still described as low to moderate. We’ll always be honest with you about what the research does and doesn’t show.

How long does Bell’s palsy last?

Recovery is different for everyone, but a typical pattern looks like this:

If you have seen no improvement at all after three weeks, go back to your GP — a referral to a facial-nerve specialist may be appropriate.

Does electrical stimulation (TENS or EMS) help?

You may read online that a TENS or EMS machine can speed recovery. In our view it’s important to be straight with you: Facial Palsy UK advises that electrical stimulation is not generally used by facial-palsy experts, because it may be less effective than other approaches and could increase the risk of synkinesis during recovery. While some studies report benefit, the picture is not consistent enough for us to recommend it for this condition. We would rather focus on the things the evidence supports — eye care, gentle massage, and carefully guided rehabilitation. You can read more about our approach to electrotherapy for other conditions here.

How is Bell’s palsy different from a stroke?

This is the most important distinction to understand. Bell’s palsy affects the whole of one side of the face, including the forehead — so you won’t be able to raise the eyebrow on the affected side. A stroke usually spares the forehead (you can still wrinkle it) and is often accompanied by arm weakness or slurred speech.

If there is any doubt, treat it as a stroke and call 999. It is also worth knowing about Ramsay Hunt syndrome — facial weakness together with a painful rash or blisters in or around the ear, which needs prompt antiviral treatment. If you notice a rash, tell your GP or 111 straight away. Our related guide on physiotherapy for facial paralysis explains the wider picture.

How CK Physiotherapy can help

After the acute stage, our Chartered Physiotherapists can support your recovery with a calm, personalised approach: assessing your facial movement, teaching you safe gentle massage and eye-care techniques, and — at the right stage — guiding you through tailored facial rehabilitation designed for your face and your recovery. We’ll always explain what the evidence supports and work alongside your GP or specialist. If getting to us is difficult, we also offer home visit physiotherapy.

Frequently asked questions

References

1. NHS. Bell’s palsy. National Health Service.
2. Facial Palsy UK. Bell’s palsy — causes, symptoms and recovery.
3. Facial Palsy UK. Management of flaccid facial paralysis (self-help).
4. Facial Palsy UK. Facial rehabilitation.
5. Warner MJ, et al. Bell Palsy. StatPearls, NCBI Bookshelf.
6. Sullivan FM, et al. Early treatment with prednisolone or aciclovir in Bell’s palsy. New England Journal of Medicine, 2007.
7. Teixeira LJ, et al. Physical therapy for Bell’s palsy (Cochrane systematic review).
8. Gilden DH. Bell’s Palsy: clinical review. American Family Physician.