Drug and Alcohol

Methocarbamol Side Effects: What You Need To Know About Robaxin

Methocarbamol side effects can catch you by surprise. Our blog examines the side effects of Robaxin, interactions, and more about this muscle relaxer.

Methocarbamol Side Effects: Get the Facts About Robaxin Today

Table of contents

Written by

Brian MooreBrian Moore

Content Writer

Reviewed by

Jeremy ArztJeremy Arzt

Chief Clinical Officer

March 6, 2024

The Forge Recovery Center

Methocarbamol, known by its brand name Robaxin, is a medication used for muscle spasms and chronic pain. Knowing how it works, the potential methocarbamol side effects, and how to use it safely is crucial.

Although it's not usually addictive, it's still possible to misuse Methocarbamol.

It's important to approach the use of any medication with awareness and caution. We at The Forge Recovery Center are dedicated to supporting individuals on their journey to recovery and wellness.

Methocarbamol Side Effects: What is Methocarbamol (Robaxin)?

Methocarbamol, known as Robaxin, is a medication used to relax muscles and ease pain. It's often used for discomfort caused by muscle strains, sprains, and spasms. Methocarbamol works by calming the nerves in your brain and spine, which can cause muscle tightness and pain.

The main purpose of methocarbamol is to relieve muscle pain and make you feel more comfortable quickly. It's usually part of a full treatment plan that might include rest, physical therapy, and other steps to help heal the muscle problem.

You typically take methocarbamol by mouth in tablet form. How much and how often you take it can vary, depending on how severe your pain is and how you respond to the medication. It's important to follow your doctor's instructions and not take more than suggested.

Methocarbamol Side Effects: What to Expect

Like all medications, methocarbamol can have side effects. Feeling sleepy, dizzy, a bit wobbly, or having an upset stomach are some of the most common ones. Because of this, it's a good idea to stay away from driving or using machines until you know how methocarbamol affects you.

Methocarbamol Side Effects: Is Methocarbamol Safe?

Methocarbamol is generally safe, but it's important to talk to your doctor before starting it, especially if you have other health issues or allergies. People with kidney or liver problems, for example, might need a different dose or should not take it at all.

Also, methocarbamol can interact with other substances like painkillers, sleeping pills, and alcohol, which can either make it work better or increase the chance of side effects. Always let your doctor know about any other medications you're taking.

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Methocarbamol Side Effects: How Does Methocarbamol (Robaxin) Work?

Methocarbamol helps ease muscle discomfort by calming the parts of your nervous system that control muscle movements. Here’s a simpler look at its action:

Calming Effect

Methocarbamol acts as a gentle sedative for your muscles, reducing the speed of nerve signals in your nervous system. This helps relax the muscles and reduce spasms, stiffness, and pain.

Supportive Action

By enhancing the calming effects of GABA, a natural substance in your spinal cord, methocarbamol helps your muscles relax and ease discomfort.

Important Consideration

While methocarbamol is effective in providing relief from muscle pain, it's important to use it responsibly. Misusing methocarbamol can lead to dependency, a situation we sincerely hope to avoid.

If you find yourself relying on methocarbamol more than you think you should, or if you're concerned about addiction, we at The Forge Recovery Center are here to help. Our compassionate team understands the challenges of overcoming dependency and offers supportive, personalized care to guide you toward recovery.

It’s crucial to follow your healthcare provider's guidance and use Methocarbamol as directed to avoid any potential for misuse.

At the Forge Recovery Center, we believe in providing a supportive environment to address concerns about medication use, including methocarbamol. If you or someone you know is struggling, we're here to offer the help and support needed to move forward.

What Is Methocarbamol Used For?

Methocarbamol is a medication primarily used to ease muscle pain and discomfort. It's effective for a variety of conditions:

Muscle Spasms

It helps relieve involuntary muscle contractions that cause pain by blocking the nerve signals responsible for spasms.

Musculoskeletal Disorders

Often prescribed for conditions like back pain, neck pain, and injuries from sports or accidents, methocarbamol reduces muscle tension and soreness, aiding in recovery.

Postoperative Recovery

It's beneficial after surgery, especially for operations related to the musculoskeletal system, by providing muscle relaxation and pain relief, which can make the healing process more comfortable.

Physical Therapy

In combination with physical therapy, Methocarbamol can enhance the effectiveness of exercises and treatments aimed at restoring movement, by reducing muscle spasms and promoting relaxation.


Also used in the treatment of tetanus, a serious bacterial infection that leads to painful muscle contractions, Methocarbamol is part of a broader treatment plan to manage symptoms and improve patient comfort.

Methocarbamol's role in treating these conditions is to temporarily relieve muscle pain and stiffness, making it a valuable tool in the broader context of healing and rehabilitation.

What Are Potential Methocarbamol Side Effects?

Methocarbamol is generally tolerated by those who take it, but like any medication, it can have side effects. It's important to be aware of these so you can manage them effectively:

Dizziness and Drowsiness

It's common to feel sleepy or dizzy after taking methocarbamol. If this happens, please avoid driving or handling heavy machinery until you're sure how the medication affects you.

Feeling Lightheaded

Some people might feel lightheaded, especially when getting up too quickly from sitting or lying down. Taking it slow can help minimize the risk of falls.

Stomach Discomfort

Nausea and vomiting can occur, but eating something before taking methocarbamol can often ease these symptoms.

Allergic Reactions

While rare, allergic reactions to Methocarbamol can happen. Symptoms like a rash, itching, swelling, severe dizziness, or difficulty breathing require immediate medical attention.

Low Blood Pressure

Be mindful if methocarbamol makes you feel faint or dizzy, as it can lower your blood pressure. This is especially important if you're taking other medications that affect blood pressure.

Other Effects

Less common side effects include confusion, blurred vision, headaches, dry mouth, or a metallic taste.

If you're experiencing any of these methocarbamol side effects, or if you find yourself relying on methocarbamol more than you'd like, it's important to reach out for help. Misuse or dependency on medication can happen, and it's nothing to be ashamed of.

At The Forge Recovery Center, we're here to support you with understanding and care. Whether it's managing side effects or addressing concerns about misuse or addiction, our team is dedicated to helping you on your path to wellness. Remember, taking the first step toward getting help is a sign of strength.

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Is Methocarbamol Addictive?

Methocarbamol is a Schedule IV drug, which means it has a lower chance of being misused than stronger drugs. But it can still be addictive, especially if not used as your doctor says. In places like California, you need a prescription to get methocarbamol because it's important to use it safely.

Mixing methocarbamol with other drugs like painkillers or alcohol can make addiction more likely. People who've had trouble with drugs before need to be extra careful with methocarbamol. Stopping methocarbamol use suddenly after using it for a long time can cause withdrawal symptoms, which are tough to handle without help.

If you're worried about using methocarbamol too much, or if it's causing problems, we at The Forge Recovery Center are here to help. We understand it's hard and we're ready to support you on your way to feeling better.

Symptoms and Signs of Methocarbamol Addiction

Knowing the signs of Methocarbamol addiction helps catch it early. Here's what to look out for:

Physical Signs of Methocarbamol Addiction

  • Tolerance: You have to take bigger doses to feel the same effect.

  • Withdrawal: Feeling anxious, restless, or having muscle pains when not taking it.

Behavioral Changes of Methocarbamol Addiction

  • Can't Stop: It's hard to cut down or stop using Methocarbamol.

  • Obsessive Thoughts: Spending a lot of time thinking about Methocarbamol.

  • Ignoring Responsibilities: Letting Methocarbamol use get in the way of work, family, or social life.

  • Doctor Shopping: Going to many doctors to get more Methocarbamol.

Emotional and Social Issues of Methocarbamol Addiction

  • Mood Swings: Quick changes in how you feel.

  • Trouble with Relationships: Having problems with friends or family because of your use.

Financial and Health Problems from Methocarbamol Addiction

  • Money Issues: Spending a lot of money on methocarbamol.

  • Feeling Worse: Losing weight, feeling tired, or more anxious.

If you see these signs in yourself or someone else, it's important to get help. The Forge Recovery Center is here to support you through recovery.

Does Methocarbamol Make You Sleepy?

Yes, methocarbamol can make you feel sleepy or drowsy. It calms your brain down, which helps relax your muscles but can also make you want to nap.

How sleepy you get can be different for everyone. Some might feel tired, while others might find it hard to stay awake. If methocarbamol makes you sleepy, avoid tasks that may need you to be alert, such as driving or operating heavy machinery.

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What are Methocarbamol Withdrawal Symptoms?

Stopping methocarbamol use suddenly, especially after using it a lot, can cause withdrawal symptoms. Here's what you might feel:

Muscle Spasms

Your muscles might start to spasm or feel tight again.

Feeling Anxious or Restless

You might feel more worried or uneasy than usual.

Trouble Sleeping

You may find it hard to fall or stay asleep.

Chills and Sweating

You might sweat a lot or feel really cold.

Stomach Issues

You could feel sick to your stomach or have pain.


Withdrawal can cause headaches.

Mood Changes

You might feel moody or impatient.

Methocarbamol Interactions

Methocarbamol can interact with various medications, potentially affecting its effectiveness or increasing side effects. Here's a detailed look at specific drugs it may interact with:

Central Nervous System Depressants

Methocarbamol can intensify the effects of alcohol, opioids, benzodiazepines, and tranquilizers. When methocarbamol is used with these drugs, it might cause drowsiness, dizziness, and respiratory depression.


Methocarbamol can enhance the sedative effects of antihistamines, which are commonly used in allergy and cold treatments. Concurrent usage might result in excessive sleepiness and even cognitive impairment.


Methocarbamol may enhance the effects of anticoagulants such as warfarin. This can raise the risk of bleeding.

Urinary Alkalinizers

Methocarbamol excretion can be increased when used with urinary alkalinizers such as sodium bicarbonate. It might make methocarbamol less effective.

Kidney or Liver Disease

Methocarbamol dose changes or careful monitoring may be required if you have impaired kidney or liver function. Kidney or liver disorders may hinder drug elimination, raising the risk of side effects or decreasing effectiveness.

Sedating Antidepressants

Certain antidepressant drugs, such as tricyclic antidepressants, can be made more sedative by methocarbamol. When these drugs are used together, they might cause drowsiness and impair coordination.

CNS Stimulants

Methocarbamol may interfere with the stimulant effects of amphetamines or methylphenidate. The combination of these drugs may diminish the efficacy of both.

Blood Pressure Medications

Methocarbamol may have additional effects when used with blood pressure medicines. This may result in dizziness or lightheadedness due to abnormally low blood pressure.

Struggling With Methocarbamol Use? Help is Here

Methocarbamol may not be like other addictive drugs, but one thing’s clear – it’s just as capable of upending your life.

The Forge Recovery Center offers specialized care for overcoming methocarbamol addiction. We understand the challenges of drug dependency, including its effects on your health and well-being. Our center provides outpatient programs tailored to fit your needs.

Our team focuses on dual diagnosis treatment to address both addiction and any co-occurring mental health issues. We're committed to creating a personalized recovery plan for you, ensuring you receive the support necessary for a successful journey back to health.

Ready to take the first step? Contact The Forge Recovery Center today.

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