Cocaine And Klonopin (Clonazepam): A Deadly Combination

Cocaine and Klonopin seem like opposites, and in a sense they are. Cocaine is a powerful stimulant that drives up heart rate, energy, and anxiety, while Klonopin is a prescription benzodiazepine designed to slow the nervous system down. People who use cocaine for extended periods often turn to Klonopin to take the edge off the crash, quiet the anxiety, and finally get some sleep. It feels like a solution, but it creates a much bigger problem.

Mixing these two drugs is dangerous precisely because they work against each other. When one drug masks the effects of the other, people lose their ability to gauge how much they have actually taken, dramatically increasing the risk of accidental overdose. Repeated use of both substances also accelerates the development of dependence on each, creating a cycle that is much harder to break than addiction to either drug alone.

Side Effects Of Combining Cocaine And Klonopin

When a person is abusing cocaine, it is not uncommon for the person to take a central nervous system (CNS) depressant, like clonazepam, to calm down at the end of the night.

As this pattern continues, the individual is at risk for developing an addiction to both drugs, and sometimes the effects of combining the two drugs may lead to some unusual consequences. While both drugs affect different areas of the brain, the one part of the brain that is affected by both cocaine and Klonopin, are dopamine receptors. Once dopamine levels become dependent on substances of addiction, it can be difficult to experience happiness without drugs.

Cocaine And Klonopin Abuse Effects

When someone takes Klonopin and cocaine together, the effects don’t simply cancel each other out as many people believe. Instead, it creates unwanted side effects that can be worse than using either drug alone. Cocaine causes bursts of energy, sensitivity to sounds and lights, paranoia, anxiety, and euphoria, while Klonopin has the opposite effects, causing drowsiness, lower energy, reduced anxiety, and sometimes depression.

Both drugs can cause restlessness and irritability, and the timing of when they’re used together makes the risks even greater. When someone is crashing from cocaine and feeling depressed and exhausted, taking Klonopin can make these negative feelings much stronger. This can lead to thoughts of suicide or even suicide attempts, and using Klonopin after a cocaine binge can trigger intense cravings.

Common side effects may include:

• paranoia
• heart attack
• stroke
• dependence
• addiction
• overdose
• death

Over time, using both cocaine and Klonopin repeatedly can cause these drugs to build up in the body to toxic levels. The combination increases the risk of overdose and death because people can’t judge how much of each drug is affecting their system.

How Cocaine Abuse Affects The Body

While cocaine can cause negative effects throughout the body, the main areas affected by cocaine abuse include the liver, lungs, brain, kidneys, heart, and nasal passages.

Cocaine potencies vary based on geographical location, what it is cut with, and how it is ingested. This is important because the potency of the cocaine can influence how much cocaine a person is doing, and what types of fillers they are injecting, smoking, or inhaling. Cocaine and the substances it is cut with can have a number of unwanted side effects.

These may include:

• confusion
• agitation
• pupil dilation
• shaking
• muscle spasms
• infections in nasal passages
• high temperature
• increased blood pressure and heartbeat
• anxiety
• nausea

Klonopin And How It Affects The Body

Klonopin is classified as a CNS depressant, a sedative, an anti-anxiety medication, and even a muscle relaxer. Klonopin also activates areas of the brain that cause euphoria and relaxing feelings.

Additional effects that Klonopin has on the body are:

• depression
• sleepiness
• headaches
• tremors/shaking
• confusion
• uncoordinated
• dizziness
• vision issues

How Cocaine And Klonopin Abuse Affect The Brain

Drugs that work on dopamine neurotransmitters in the brain are addictive, because they create feelings of euphoria and an intense high. Cocaine significantly affects dopamine pathways in the brain, Klonopin also impacts dopamine levels in the brain.

Klonopin, and other benzodiazepines, increase activity of the neurotransmitter GABA (gamma-aminobutyric acid). This neurotransmitter is inhibitory, which means it is essentially responsible for slowing things down in the brain. As GABA neurotransmitters are activated, the brain becomes more relaxed, muscle tension is alleviated and anxiety levels diminish.

Abusing Klonopin and cocaine at the same time turns on and shuts off many different areas of the brain. The longer the substance abuse continues, the more likely a person will experience both short term and long term consequences of abusing cocaine and Klonopin together. The brain can be permanently affected.

Cocaine And Klonopin Overdose

Over time, the risk of overdose continues to grow when a person is addicted to abusing cocaine and Klonopin together.

Benzodiazepine overdose symptoms include the following:

• slurred words
• walking appears difficult
• respiratory depression
• confused
• unusual eye tracking
• movement is impeded
• cold, clammy skin
• loss of consciousness
• overdose

Because Klonopin and cocaine have conflicting overdose symptoms, it can be hard to discern when someone is experiencing an overdose. In addition, there are countless possible interactions between the two drugs.

Some of the warning signs of a cocaine overdose include:

• extremely high blood pressure
• sweating/feverish
• excessive confusion
• tremors
• psychosis
• heart pounding

Abusing two drugs that have a significant impact on the brain and body, in nearly opposite ways, can be too much to manage. This increases the potential of developing an addiction, as well as risk factors for several health issues and mental health diagnoses.

Cocaine And Klonopin Withdrawal Symptoms

Quitting cocaine and Klonopin at the same time is one of the most physically and psychologically demanding withdrawal experiences a person can go through. Cocaine withdrawal on its own brings intense cravings, depression, fatigue, and irritability that can last for weeks. Klonopin withdrawal is a different kind of difficult, carrying the risk of life-threatening seizures if the drug is stopped suddenly after prolonged use. Facing both at once means dealing with the full weight of each simultaneously.

People who mix these substances typically develop tolerance to both, and they often end up using higher and higher doses just to feel normal. When they stop, those elevated doses translate directly into more severe withdrawal symptoms and a greater risk of serious medical complications. This is why attempting to detox from cocaine and Klonopin without professional supervision is not just uncomfortable but genuinely dangerous. Medical oversight during withdrawal is not optional for most people in this situation.

Treating Polysubstance Addiction

Mixing drugs like cocaine and clonazepam is unpredictable, dangerous, and the effects are always uncertain. Because the effects of these drugs are almost opposite, the person is at risk for overdose, often without realizing it’s gone that far. The majority of quality substance abuse treatment facilities are equipped to treat individuals with polysubstance addiction problems, as well as co-occurring mental health disorders.

For more information about addiction recovery services, reach out to your primary care provider or the Substance Abuse and Mental Health Services Administration (SAMHSA).

Written by the Addiction Resource Editorial Staff