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Klonopin Overdose Symptoms and Addiction Treatment

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What Is Klonopin Used For?

Benzodiazepines are commonly prescribed medications that treat several physical and mental health issues.1 Clonazepam, often known by the brand name Klonopin, is a benzodiazepine used for the treatment of panic disorder and certain seizure disorders.2,3,4

Benzodiazepines have sedative properties and a known potential for misuse.1,2 Although benzodiazepines can be therapeutic and are legally prescribed in many medical settings, consistent misuse of these drugs can lead to tolerance, physical dependence, and addiction.1,2

What Are the Effects of Clonazepam Overdose?

Overdose deaths involving benzodiazepines such as Klonopin have become increasingly common—more than 30% of all opioid-related overdoses also involve benzodiazepines.5 In 2015, 23% of the people who died from opioid overdoses also had benzodiazepines in their bodies.5 The safest way to prevent a Klonopin overdose is to use it only as prescribed by a doctor.2


Signs and Symptoms of Klonopin Overdose

  • Drowsiness.
  • Confusion.
  • Diminished reflexes.
  • Impaired coordination.
  • Loss of consciousness.
  • Coma.

Overdoses are more likely to occur when drugs are taken together. People may be at higher risk of overdose when they mix Klonopin with alcohol or opioids (including heroin).2,3,4 According to the FDA, combining benzodiazepines with opioids or other depressants could have several adverse effects, including:2,4,

  • Slowed or labored breathing.
  • Respiratory arrest.
  • Profound dizziness/lightheadedness.
  • Extreme sleepiness.
  • Loss of consciousness/unresponsiveness.

If you are taking Klonopin with other drugs and you are concerned that you may be experiencing an overdose, seek medical attention immediately.


Risk Factors for Clonazepam Overdose

It is difficult to estimate the amount of Klonopin that will lead to overdose. The amount of a drug required to result in toxicity is influenced by several factors specific to the user, such as age, weight, metabolic differences, the degree of the user’s tolerance, and any other substances being currently used.

In addition, Klonopin should not be used by people who have the following medical conditions:3

  • Acute narrow-angle glaucoma.
  • Allergies to other benzodiazepines.
  • Liver disease.

Before taking Klonopin, it is important that you disclose your full medical and psychological history to your provider in order to better minimize health risks, including your chances of overdosing.

Risk of Tolerance and Dependence

Klonopin use can easily lead to the development of tolerance, or a diminished drug response, at previously effective doses. Tolerance, once established, often leads to ramped-up drug-taking behavior, where the user needs to take higher doses of a drug to feel the same effects they previously experienced.6 Over time, such escalating patterns of use can lead to the development of Klonopin dependence, whereby a person only feels normal when the drug is present and experiences withdrawal symptoms when the drug is removed.7 In fact, after only 2 weeks of regular use, a person may develop significant physical dependence on Klonopin.2


What to Do If You Overdose on Klonopin

opiates hotlineIf someone has overdosed on Klonopin, immediately call 911. Check to see if they are still breathing and place them in the recovery position until help arrives. Once the individual has made it to the hospital, doctors and nurses will provide supportive care and monitoring to ensure that they are safe.

An “antidote” drug known as flumazenil will, in some cases, be given in the hospital to reverse the effects of an acute benzodiazepine overdose.2 It is used for the reversal of the sedative effects of Klonopin (or other benzodiazepines) and is meant to work in tandem with other life-saving measures, such as airway management and ventilation assistance, when required.3 Although this antidote medication carries some risks (e.g. increased potential for seizure activity), its careful administration can play a vital role during certain overdose management protocols.8

Depending on how the person recovers from their overdose, they may stay in the emergency department until they are stabilized. If the overdose was intentional, they will likely undergo a psychiatric evaluation before leaving the hospital. If the individual experienced significant respiratory depression or coma during the overdose, they will be referred to the intensive care unit (ICU) for further care.8


Preventing Klonopin Overdose

Strategies to reduce the likelihood of overdosing on Klonopin include adhering closely to a prescribed dosing regimen, never using it without a prescription, and avoiding the potentially dangerous mix of Klonopin with other substances (e.g. opioid painkillers, alcohol, other sedatives). For those struggling with addictions, though, these precautions may be easier said than put into practice.

If you have overdosed on Klonopin or you are currently misusing Klonopin, addiction treatment is the safest way for you to get help and manage uncomfortable side effects of withdrawal.

Treatment options include:9,10

  • Outpatient treatment: In an outpatient setting, you live at home and visit the treatment center during the week to work with a therapist and participate in group therapy. People often transition into (or “step down” to) outpatient treatment after finishing an inpatient or residential program. However, if your addiction to Klonopin is less severe and your risks of a difficult or complicated withdrawal are lower, effective rehabilitation treatment might begin at one of these facilities. This option may be a good fit for people who have a solid support system at home.
  • Inpatient treatment: These programs require that you live onsite for the duration of treatment. When you enter an inpatient program, your professional treatment team will develop a treatment plan which will serve as a roadmap for your recovery and may include individual therapy, group therapy, family counseling, relapse prevention classes, support groups—such as 12-step programs—and aftercare planning. The immersive treatment environment and intensive levels of care provided by inpatient programs may be especially beneficial if you have a relatively severe addiction to Klonopin and require a high level of supervision and support.

Treatment centers may use different forms of therapy to help you work through your addiction. Though every treatment center approaches recovery differently, common therapies may include:9,10

  • Cognitive behavioral therapy (CBT): CBT can help you recognize and change maladaptive patterns of behavior—including continued Klonopin misuse—that spring from certain triggering situations. Recognizing your own triggers can help you figure out how to have a healthier response to urges to use the drug after treatment.
  • Family therapy: Working with your family can be beneficial to your long-term success, since families often play a big role in supporting loved ones throughout the entire recovery cycle. Family therapy includes treatment styles that focus on the group instead of the individual within the group.
  • Motivational interviewing (MI): Treatment centers use MI to help you actualize your own next steps in recovery, encouraging your personal motivation to remain engaged with the recovery efforts needed to keep you sober. With this therapeutic approach, your counselor or therapist may resemble a coach who helps you move toward and reach your goals.
  • Motivational incentives (contingency management): You can receive incentives for reaching treatment benchmarks. The positive reinforcement encourages healthy behaviors and decreasing continued drug use.

No matter your situation—whether you’ve only recently begun misusing the drug or have chronically struggled with Klonopin addiction—it is never too late to get the help you need. American Addiction Centers (AAC) has trusted rehab facilities across the country. To learn more about rehab programs and treatment options, please contact a caring admissions navigator with AAC free at .

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Senior Medical Editor
Dr. Thomas received his medical degree from the University of California, San Diego School of Medicine. During his medical studies, Dr. Thomas saw firsthand the multitude of lives impacted by struggles with substance abuse and addiction, motivating him to seek a clinical psychiatry preceptorship at the San Diego VA Hospital’s Inpatient Alcohol and Drug Treatment Program. In his post-graduate clinical work, Dr. Thomas later applied the tenets he learned to help guide his therapeutic approach with many patients in need of substance treatment. In his current capacity as Senior Medical Editor for American Addiction Centers, Dr. Thomas, works to provide accurate, authoritative information to those seeking help for substance abuse and behavioral health issues.
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