faqs to physiotherapists about multiple sclerosis

Can electrotherapy help multiple sclerosis?

Electrotherapy can help some people with MS manage particular symptoms, but it works best as one tool within a broader physiotherapy plan rather than as a stand-alone fix. Electrotherapy is the use of controlled electrical energy — delivered through the skin via small electrodes — to support movement, ease discomfort or stimulate muscle activity. In multiple sclerosis, the most established application is functional electrical stimulation (FES) for foot drop, where the evidence and clinical guidance are strongest.

It is important to be clear about what electrotherapy does and does not do. There is no cure for MS, and electrotherapy does not slow the underlying disease or repair nerve damage. What it can do, for the right person, is make day-to-day movement safer and more comfortable — lifting a foot that catches when you walk, or offering a non-drug option to trial for pain. At CK Physiotherapy, our Chartered Physiotherapists assess each person individually and only recommend electrotherapy where it genuinely adds value to your goals.

What is FES (functional electrical stimulation) for MS foot drop?

Functional electrical stimulation (FES) is a form of electrotherapy that helps people with MS lift the foot when walking, addressing a symptom called foot drop. Foot drop is the most common walking problem in MS — it happens when nerve signals that should lift the front of the foot during the swing phase of a step are disrupted, causing the toes to catch, scuff or trip. FES delivers a small, precisely timed electrical pulse to the common peroneal nerve just below the knee, which makes the muscles lift the foot at exactly the right moment in each step.

FES is the most evidence-backed electrotherapy for MS, and it is recommended by the National Institute for Health and Care Excellence (NICE) for foot drop of central neurological origin, which includes MS. UK research, including a multicentre randomised trial comparing FES with ankle-foot orthoses for foot drop in MS, has reported improvements in walking and quality of life, and a separate cohort study found FES to be both clinically effective and cost-effective for people with MS.

How FES works, step by step

Sources: NICE IPG278, Functional electrical stimulation for drop foot of central neurological origin; peer-reviewed FES clinical studies in MS (Renfrew et al. 2019; Juckes et al. 2019, Clinical Rehabilitation).

What are the benefits of FES for people with MS?

For people with MS who experience foot drop, functional electrical stimulation (FES) can make walking safer, steadier and less tiring. Because foot drop is a leading cause of trips and falls, lifting the foot reliably at each step has knock-on benefits for confidence and independence. Reported benefits in MS studies and clinical practice include the following.

Source: systematic review of FES for foot drop and health-related quality of life in MS (CINAHL/MEDLINE/Cochrane databases). Individual response varies; FES is not suitable for everyone.

FES is not a fit for every person with MS. It suits foot drop caused by the kind of central nerve disruption seen in MS, and the simplest acceptance test is whether you can comfortably tolerate the sensation of the stimulation. A trial is usually arranged so you can feel the difference before committing — in most suitable cases an improvement in gait is noticeable straight away. Your physiotherapist will also consider sensation, skin condition and your wider symptoms before recommending it.

Can TENS help with MS pain and spasticity?

Some people with MS use TENS (transcutaneous electrical nerve stimulation) to help manage pain or muscle stiffness, but the scientific evidence is limited and mixed — so it is best approached as a low-risk option to trial rather than a proven treatment. TENS delivers a gentle electrical current through skin electrodes to influence how the nervous system processes pain signals. Because it is non-invasive and drug-free, it can be a reasonable thing to try for MS-related discomfort, particularly when you would prefer to limit medication.

Honesty matters here. Systematic reviews rate the evidence for TENS in MS central pain as low-quality and "questionable," and the evidence for TENS reducing MS spasticity as "very low certainty." That does not mean it never helps any individual — many people report it takes the edge off their symptoms — but it does mean no one can promise it will work for you. A Chartered Physiotherapist can show you correct electrode placement and settings, help you trial it safely, and review honestly whether it is making a real difference.

Is electrotherapy safe for people with MS?

Electrotherapy is generally well tolerated by people with MS when it is set up and supervised by a qualified professional. Surface FES and TENS are non-invasive and do not involve needles or surgery. As with any treatment, there are sensible precautions: electrotherapy is not appropriate over areas of broken or numb skin, and certain devices and pacemakers, pregnancy, epilepsy or significantly altered sensation may mean a particular technique is not suitable for you.

This is exactly why assessment by a Chartered Physiotherapist matters. At CK Physiotherapy, we review your full history, medications and current symptoms before recommending any electrotherapy, and we adjust the approach if your MS symptoms change — for example, during or after a relapse. Heat sensitivity (where a small rise in body temperature temporarily worsens MS symptoms) is also factored into how and when we deliver treatment so you stay comfortable throughout.

How does electrotherapy fit with exercise and the rest of your MS care?

Electrotherapy works best as part of a complete physiotherapy plan, not in isolation. For multiple sclerosis, supervised exercise — balance work, strengthening and aerobic activity — has the strongest evidence base of any physiotherapy approach, and national guidance recommends everyone with MS and mobility problems has access to a physiotherapist with MS expertise. Electrotherapy such as FES sits alongside that exercise programme: FES can keep you walking and active, which in turn makes the exercise that benefits MS more achievable.

If you would like the bigger picture on movement, fatigue and balance, our companion guide on how multiple sclerosis is treated with physiotherapy covers the exercise side in depth. You can also read more about our wider approach to neurological physiotherapy. For people who find travelling to a clinic difficult, we also offer home visit physiotherapy across West London.

Electrotherapy for MS at CK Physiotherapy, West London

At CK Physiotherapy in Hanwell, our Chartered Physiotherapists provide personalised, evidence-based care for people with multiple sclerosis across Ealing and West London. We take a holistic view — looking at how MS affects your walking, your daily life and the activities that matter to you — and we use electrotherapy such as FES only where it genuinely supports your goals, always combined with tailored exercise and practical advice.

FAQs about electrotherapy for MS

Can electrotherapy help multiple sclerosis?

Electrotherapy can help some people with MS manage specific symptoms, most clearly foot drop, where functional electrical stimulation (FES) is recommended by NICE. It does not cure MS or slow the disease. It works best as one part of a wider physiotherapy plan that also includes exercise, and a Chartered Physiotherapist can assess whether it suits you.

What is functional electrical stimulation (FES) for MS?

FES is electrotherapy that uses a small, precisely timed electrical pulse to the common peroneal nerve to lift the foot during walking. It addresses foot drop, the most common walking problem in MS. NICE recommends FES for foot drop of central neurological origin, which includes multiple sclerosis, and UK studies report benefits for walking and quality of life.

Does FES help with foot drop in MS?

Yes — FES is the most evidence-backed electrotherapy for foot drop in MS. It produces an immediate "orthotic" effect, meaning you typically walk more clearly while the device is on, and some people also gain a longer-term "therapeutic" effect. Response varies between individuals, so a trial is usually arranged before you commit to treatment.

Can TENS help with MS pain or spasticity?

Some people with MS find TENS helps take the edge off pain or stiffness, but the scientific evidence is limited and mixed — rated low-quality for central pain and very low certainty for spasticity. It is non-invasive and drug-free, so it can be reasonable to trial under guidance, but no one can guarantee it will work for you.

Is electrotherapy safe for people with MS?

Electrotherapy is generally well tolerated by people with MS when set up by a qualified professional. Surface FES and TENS are non-invasive. Precautions apply over numb or broken skin, and with pacemakers, pregnancy, epilepsy or significantly altered sensation. A Chartered Physiotherapist reviews your history and symptoms before recommending any technique.

Can I have electrotherapy for MS at home?

Yes. CK Physiotherapy offers home visit physiotherapy across West London for people who find travelling to the clinic difficult. Suitable electrotherapy and exercise can be assessed and delivered at home, and you can be taught to use devices such as TENS safely between sessions.

Electrotherapy or exercise — which is better for MS?

For MS overall, supervised exercise has the strongest evidence and is the foundation of physiotherapy care. Electrotherapy such as FES complements exercise rather than replacing it — by keeping you walking and active, it can make the exercise that benefits MS more achievable. The best plans usually combine both.