Pain is one of the most common symptoms of multiple sclerosis (MS), but it doesn’t affect everyone the same way. Some people experience burning or nerve pain that feels like an electric shock, while others deal with aching muscles, painful spasms, or joint discomfort related to reduced mobility. Because different MS pain symptoms have different causes, there’s no single medication that works for everyone.

The most effective MS pain medication will depend on what type of pain you’re experiencing. Understanding whether your pain is caused by nerve damage, muscle and joint strain, or spasticity helps your healthcare provider choose the most appropriate treatment.

Here’s what to know about the medication options used for MS pain, what they can and can’t do, and why many people benefit from a combination of therapies.

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Types of Pain in MS and Why They Need Different Medications

MS pain generally falls into three categories, and each responds differently to treatment.

Neuropathic Pain

Neuropathic pain is caused by damage to the central nervous system. In MS, demyelination disrupts normal nerve signaling, causing pain even when there’s no injury to muscles or joints. Common symptoms include:

• Burning pain
• Sensations like an electric shock
• Tingling or pins and needles
• Stabbing pain
• Allodynia (pain from light touch)

Because the problem is abnormal nerve signaling, standard pain relievers often don’t provide much relief. Instead, medications that reduce nerve excitability are usually recommended.

Nociceptive Pain

Nociceptive pain develops from injury or strain involving muscles, joints, tendons, or other tissues. In MS, it may result from muscle weakness, changes in walking, poor posture, reduced mobility, or overuse of certain muscle groups.

This type of pain is often aching or sore and is more likely to respond to traditional pain relievers, rehabilitation, and physical therapy.

Spasticity-Related, Mixed Pain, and Painful Tonic Spasms

Many people with MS experience pain caused by muscle stiffness and involuntary muscle contractions known as spasticity. Others have mixed pain, meaning both nerve damage and musculoskeletal problems contribute to their symptoms. In these cases, treatment often combines medications from different categories along with nondrug therapies.

Painful tonic spasms are brief, sudden episodes of involuntary muscle contractions that differ from the ongoing muscle stiffness seen with spasticity. Because they’re thought to result from the abnormal neuronal hyperexcitability caused by demyelination, they often require a different treatment approach than continuous spasticity.

Medications for Neuropathic Pain

Most medications used to treat MS-related nerve pain were originally developed for epilepsy or depression. Rather than simply blocking pain, they help regulate abnormal nerve activity.

Although these medications are widely recommended, it’s important to know that much of the evidence in MS comes from relatively small studies rather than large randomized clinical trials. Many treatment recommendations are also based on research involving neuropathic pain from other neurological conditions.

Anti-seizure Medications

Anti-seizure medications, also called anticonvulsants, are commonly considered first-line MS pain medications for neuropathic pain because they reduce abnormal electrical activity in damaged nerves. Common examples include:

• Gabapentin
• Pregabalin

These medications are often prescribed for burning, shooting, or electric-shocklike pain.

Common side effects include drowsiness, dizziness, fatigue, swelling in the legs, and weight gain. Healthcare providers usually start with a low dose and increase it gradually to improve tolerability.

Tricyclic Antidepressants

Tricyclic antidepressants (TCAs) are another first-line option for neuropathic pain. Examples include:

• Amitriptyline
• Nortriptyline

These medications help strengthen the body’s natural pain-modulating pathways and may be particularly useful when pain interferes with sleep.

Common side effects include dry mouth, constipation, drowsiness, blurred vision, and low blood pressure when standing. Because of these effects, TCAs aren’t appropriate for everyone. This group of medications can also be started at a low dose and increased gradually to improve the tolerability and minimize side effects.

Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs)

Serotonin-norepinephrine reuptake inhibitors (SNRIs) may also be used as a part of multiple sclerosis pain treatment, particularly when chronic pain occurs alongside anxiety or depression. Common examples include:

• Duloxetine
• Venlafaxine

Possible side effects include nausea, dry mouth, increased sweating, and difficulty sleeping.

Medications for Spasticity-Related Pain and Painful Tonic Spasms

Pain related to spasticity requires a different approach because the underlying problem is muscle overactivity rather than abnormal pain signaling alone.

Oral Muscle Relaxants

The most commonly prescribed muscle relaxant medications include:

• Baclofen (Lioresal)
• Tizanidine (Zanaflex)

These medications reduce muscle stiffness and help improve comfort, mobility, and sleep. Common side effects include drowsiness, dizziness, muscle weakness, and low blood pressure.

Anti-Seizure Medications

Along with helping treat neuropathic pain, anti-seizure medications are also used for painful tonic spasms. Current evidence suggests that a trial of carbamazepine or lacosamide may help reduce painful tonic spasms by stabilizing abnormal nerve activity.

This highlights an important principle of MS pain medications: Even symptoms that involve muscle contractions may require different treatments depending on their underlying cause.

Cannabinoid-Based Add-On Therapies

In some countries, cannabinoid-based medications are available. These include nabiximol, sold under the brand name Sativex. This THC/CBD oral spray may be used as an add-on therapy when standard spasticity medications don’t provide enough relief.

Studies suggest these medications may improve spasticity-related symptoms and associated pain in some people with MS, although benefits vary and availability depends on local regulations. Side effects of cannabinoid-based add-ons can include tiredness, dizziness, headaches, and diarrhea.

It’s important to note that although all of the medications discussed above are commonly used for MS pain management, they are U.S. Food and Drug Administration (FDA)-approved for other conditions — meaning that their use for MS-related pain is considered off-label.

Trigeminal Neuralgia in MS

Trigeminal neuralgia is one of the most severe types of MS-related neuropathic pain. It causes sudden, intense facial pain that may be triggered by talking, chewing, brushing your teeth, or even a light breeze.

First-line treatment consists of sodium channel blockers, particularly carbamazepine and oxcarbazepine. These medications are considered the standard initial therapy for both MS-related and non-MS trigeminal neuralgia.

People with MS, however, may experience side effects such as dizziness, fatigue, balance problems, or blurred vision at lower doses than the general population, which can make treatment more challenging. If medications aren’t effective or can’t be tolerated, a neurologist may recommend a medical procedure that can help.

Over-The-Counter Options, Opioids, and When To Talk to Your Doctor

Over-the-counter (OTC) medications such as acetaminophen, ibuprofen, and naproxen may help relieve muscle soreness, headaches, or joint pain. However, they’re generally not effective for neuropathic pain because they don’t target abnormal nerve signaling.

Frequent use of nonsteroidal anti-inflammatory drugs (NSAIDs) can increase the risk of stomach ulcers, gastrointestinal bleeding, kidney problems, and cardiovascular complications, so regular use should be discussed with your healthcare provider.

Why Opioids Aren’t Usually Recommended

Opioids have a limited role in MS pain relief, especially for chronic neuropathic pain. They often provide modest benefit while increasing the risk of dependence, constipation, sedation, falls, and overdose. In select cases, such as severe acute pain or complex situations managed by a pain specialist, they may still be considered, but they aren’t first-line therapy.

When To Revisit Your Treatment Plan

Talk with your healthcare provider if:

• Pain is interfering with sleep or daily activities.
• Your medication isn’t providing enough relief.
• Side effects are difficult to tolerate.
• You’re relying on OTC medications frequently.
• Your pain has changed in intensity or character.

Sometimes adjusting medications, combining treatments, or addressing contributing factors such as poor sleep or depression can significantly improve pain control.

Finding the Right Combination for Long-Term MS Pain Relief

Managing MS pain often requires a multimodal approach using a combination of medications and lifestyle changes. Depending on the source of your symptoms, treatment may include medications, physical therapy, exercise as tolerated, stretching, occupational therapy, and psychological support.

It’s also common for treatment to evolve over time. As MS symptoms change, your pain may change too, meaning your medication plan may need to be adjusted. Working closely with your neurologist and other members of your care team can help identify the source of your pain and find the combination of therapies that best supports your comfort, function, and quality of life.