Flexeril, the brand name for cyclobenzaprine, is a commonly prescribed muscle relaxant used to relieve muscle spasms, typically in conjunction with physical therapy and rest. While Flexeril (cyclobenzaprine) is not classified by the Drug Enforcement Administration (DEA) as a controlled substance, questions remain: Is Flexeril addictive? Can people experience withdrawal symptoms, dependency, or even addiction?

Let’s explore the potential dangers of cyclobenzaprine abuse, signs of dependence, and how to find support if you or a loved one is struggling with substance use disorder involving this prescription medication.

What Is Flexeril (Cyclobenzaprine)?

Flexeril is a prescription muscle relaxer used to treat acute muscle pain, spasms, and muscle injuries associated with conditions like fibromyalgia or back strain. It is a skeletal muscle relaxant structurally related to tricyclic antidepressants, and while its central nervous system (CNS) effects are milder, misuse is still possible.

Cyclobenzaprine works by suppressing nerve signals in the brain and spinal cord that cause muscle spasms. Typically, it’s prescribed for short-term use—no longer than 2-3 weeks—because extended use can lead to physical dependence or other adverse effects.

Is Flexeril Addictive?

Technically, Flexeril is not classified as physically addictive in the same way that opioids or benzodiazepines are. However, that doesn’t mean it’s harmless. People who misuse or abuse Flexeril—often by taking higher doses or using it alongside illicit drugs or alcohol—may develop a psychological or physical dependency. Flexeril abuse can create a “Flexeril high”, which includes sensations of sedation, relaxation, and mild euphoria.

According to the Substance Abuse and Mental Health Services Administration (SAMHSA), prescription drug abuse, including that of muscle relaxants, is rising among teens and adults. So while cyclobenzaprine isn’t addictive in the classic opioid sense, repeated misuse can lead to cyclobenzaprine dependence, tolerance, and withdrawal symptoms.

Signs of Cyclobenzaprine Abuse

Misusing Flexeril can range from taking larger doses than prescribed to mixing it with other drugs or alcohol. Warning signs of cyclobenzaprine abuse or addiction include:

  • Using Flexeril for non-medical reasons
  • Taking it to get high or to escape from emotional discomfort
  • Combining Flexeril with CNS depressants like opioids or alcohol (a dangerous cocktail)
  • Seeking multiple prescriptions or using someone else’s medication
  • Developing drug cravings when not using

People struggling with substance addiction may also isolate themselves, struggle with work or relationships, or show signs of mental distress, such as anxiety or depression.

Can You Get Addicted to Flexeril?

Yes, you can become addicted to Flexeril, especially with long-term misuse. Addiction doesn’t always require a physical craving—it can also stem from emotional reliance or compulsive use despite negative consequences.

Once someone becomes addicted to Flexeril, stopping use can trigger withdrawal symptoms, a condition known as Flexeril discontinuation syndrome. This includes both physical symptoms and psychological distress.

Flexeril Withdrawal Symptoms

When someone stops using Flexeril suddenly—especially after prolonged or high-dose use—they may experience withdrawal symptoms. These can vary but often include:

  • Fatigue
  • Nausea or vomiting
  • Headaches
  • Irritability
  • Body aches
  • Insomnia
  • Anxiety
  • Muscle stiffness or muscle pain

In rare cases, more severe symptoms may occur, including:

  • Seizures
  • Neuroleptic malignant syndrome (a life-threatening neurological condition)
  • Cardiac arrest (particularly in Flexeril overdose cases)

Because of these risks, medically supervised detox and medication-assisted treatment (MAT) is highly recommended for those discontinuing Flexeril after prolonged use.

The Dangers of Flexeril Overdose

Taking too much Flexeril—either intentionally or accidentally—can result in overdose. Symptoms of cyclobenzaprine overdose include:

  • Extreme drowsiness
  • Slurred speech
  • Confusion or hallucinations
  • Rapid heart rate
  • Seizures
  • Respiratory depression
  • Loss of consciousness

Severe cases may require emergency intervention, especially if combined with alcohol abuse or illicit drugs. According to poison control centers, overdoses involving cyclobenzaprine are increasing and should be treated seriously.

Why Do People Abuse Cyclobenzaprine?

There are several reasons people might abuse cyclobenzaprine:

  • To self-medicate for chronic pain or anxiety
  • To intensify the effects of other drugs
  • Out of curiosity or experimentation (especially in adolescents)
  • As a way to relieve muscle spasms while also chasing sedation

But misuse carries significant risks—including physical and mental health deterioration, tolerance buildup, and eventual substance use disorder.

Is Flexeril a Controlled Substance?

Currently, the Drug Enforcement Administration does not list cyclobenzaprine as a controlled substance, meaning it is not scheduled like opioids or stimulants. However, just because a drug isn’t scheduled doesn’t mean it’s not dangerous or addictive.

Many unscheduled prescription drugs are frequently misused, especially when perceived as “safer” alternatives to illicit drugs.

How Long Does Flexeril Stay in Your System?

Flexeril’s half-life is about 18 hours, but it can remain in your system for several days, depending on:

  • Dosage
  • Frequency of use
  • Metabolism
  • Age
  • Overall health

This means that misuse over days or weeks can cause a build-up in the system, increasing the risk of adverse reactions, withdrawal, or overdose.

Treating Flexeril Addiction

If you or someone you know is struggling with cyclobenzaprine addiction or Flexeril dependency, there is hope. Addiction treatment is available and often involves a multi-step approach:

Medically Supervised Detox

Safely removing the drug from the body while managing withdrawal symptoms. This step should always be performed under the supervision of a medical professional.

Inpatient Treatment

Structured care in a residential facility to address both physical and psychological aspects of substance abuse.

Behavioral Therapies

Including cognitive-behavioral therapy (CBT) and motivational interviewing to develop healthier coping strategies.

Ongoing Support

Involves outpatient care, peer support groups, and continued mental health counseling to avoid relapse.

SAMHSA’s National Helpline (1-800-662-HELP) is a confidential and free resource available 24/7 for those seeking help.

Addressing the Emotional Aspects of Flexeril Abuse

Recovery from prescription drug abuse doesn’t stop at physical detox. Addressing the emotional aspects of addiction is just as important. Many people turn to drugs to cope with trauma, anxiety, depression, or stress.

This is where professional treatment makes a difference—because it addresses the whole person, not just the drug use. From therapy to community support, recovery is not only possible—it’s probable with the right help.

Bottom Line: Is Flexeril Addictive?

While Flexeril isn’t a controlled substance, it can still be addictive. Long-term misuse may lead to physical dependence, withdrawal symptoms, and emotional reliance that resemble other forms of drug addiction. If you’re concerned about your Flexeril dose, using it alongside other drugs, or struggling to stop, it’s time to reach out for help.

There’s no shame in needing support. Whether you’re seeking information for yourself or a loved one, understanding the risks of abuse of cyclobenzaprine and finding the right treatment program could make all the difference.

If you’re facing addiction—know this: Recovery is not just possible, it’s within reach. Contact the First Step Behavioral Health team to learn about our effective, comprehensive treatment programs or to schedule an intake appointment.

FAQ: Flexeril (Cyclobenzaprine) Use and Misuse

1. Can Flexeril interact with other medications or substances?

Yes. Flexeril can interact with various medications and substances, including antidepressants (especially SSRIs and MAOIs), opioids, benzodiazepines, and alcohol. These combinations can increase the risk of central nervous system depression, serotonin syndrome, or cardiac complications. Always consult your healthcare provider before taking any medication.

2. Is it safe to drive or operate machinery while taking Flexeril?

No. Flexeril commonly causes drowsiness, dizziness, and impaired coordination. These effects can significantly impair your ability to drive, operate heavy machinery, or perform tasks that require alertness. Caution is essential during the first few days of treatment or after a dosage adjustment.

3. Why is Flexeril only recommended for short-term use?

Flexeril is typically prescribed for no longer than 2-3 weeks because its effectiveness for long-term muscle spasms is unproven, and prolonged use increases the risk of tolerance, dependency, and side effects such as dry mouth, blurred vision, and cognitive fog. Chronic use may also lead to cyclobenzaprine dependence in vulnerable individuals.

4. What should I do if I miss a Flexeril dose?

If you miss a dose, take it as soon as you remember—unless it’s close to the time for your next scheduled dose. In that case, skip the missed dose and resume your regular schedule. Do not double the dose to catch up, as this increases the risk of adverse effects and overdose.

5. Can Flexeril be used for chronic pain management?

Flexeril is generally not recommended for long-term chronic pain treatment. It is most effective for short-term, acute muscle spasms. For chronic conditions, doctors typically recommend a broader approach that may include physical therapy, anti-inflammatory medications, behavioral interventions, or referral to a pain management specialist.

Sources:

Jump to a Section

Call (855) 425-4846