Are there changes in brain chemistry associated with the use of Adderall (amphetamine and dextroamphetamine) and Klonopin (clonazepam)?

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Last updated: March 8, 2025 • View editorial policy

From the Guidelines

Yes, there are significant changes in brain chemistry when taking Adderall and Klonopin together, as Adderall increases levels of dopamine and norepinephrine, while Klonopin enhances the effects of gamma-aminobutyric acid (GABA), leading to opposing effects in the central nervous system. Adderall (amphetamine/dextroamphetamine) works by blocking the reuptake of dopamine and norepinephrine and stimulating their release, which enhances focus, attention, and energy 1. On the other hand, Klonopin (clonazepam) enhances the effects of GABA, an inhibitory neurotransmitter that reduces neuronal excitability, producing calming and sedative effects.

When taken together, these medications create opposing effects in the central nervous system - Adderall is stimulating while Klonopin is sedating. This combination can be prescribed in certain cases where a patient needs treatment for both attention deficit hyperactivity disorder (ADHD) and anxiety disorders, but it requires careful medical supervision due to the potential for adverse interactions 2. The opposing mechanisms can sometimes lead to reduced effectiveness of one or both medications, and the combination may increase risks of side effects or dependency.

Some key points to consider when taking this combination include:

  • Close monitoring by a healthcare provider for proper dosing and potential adverse effects
  • Potential for reduced effectiveness of one or both medications
  • Increased risk of side effects or dependency
  • Importance of careful medical supervision to minimize risks and maximize benefits

Overall, the combination of Adderall and Klonopin can be effective for treating ADHD and anxiety disorders, but it requires careful consideration of the potential risks and benefits, as well as close monitoring by a healthcare provider 1, 2.

From the FDA Drug Label

Clinical Pharmacology Pharmacodynamics: The precise mechanism by which clonazepam exerts its antiseizure and antipanic effects is unknown, although it is believed to be related to its ability to enhance the activity of gamma aminobutyric acid (GABA), the major inhibitory neurotransmitter in the central nervous system Central Nervous System: Psychotic episodes at recommended doses (rare), overstimulation, restlessness, dizziness, insomnia, euphoria, dyskinesia. dysphoria, tremor, headache, exacerbation of motor and phonic tics and Tourette's syndrome.

The use of Adderall (amphetamine and dextroamphetamine) and Klonopin (clonazepam) is associated with changes in brain chemistry, including:

  • Enhanced GABA activity with clonazepam use, which can affect the major inhibitory neurotransmitter in the central nervous system
  • Central nervous system stimulation with amphetamine use, which can cause overstimulation, restlessness, and other effects Key points to consider:
  • Clonazepam's mechanism of action is believed to be related to its ability to enhance GABA activity
  • Amphetamine use can cause central nervous system stimulation, leading to various adverse effects [3] [4]

From the Research

Changes in Brain Chemistry

  • The use of Adderall (amphetamine and dextroamphetamine) has been associated with increased striatal dopamine release and a prolonged time course compared to amphetamine isomers 5.
  • Amphetamines, such as those found in Adderall, work by increasing central dopamine and norepinephrine activity, which impacts executive and attentional function 6.
  • The primary pharmacologic effect of amphetamine is to increase dopamine and norepinephrine activity through dopamine and norepinephrine transporter inhibition, vesicular monoamine transporter 2 (VMAT-2) inhibition, and monoamine oxidase activity inhibition 6.

Klonopin (Clonazepam) and Brain Chemistry

  • There is limited direct evidence on the changes in brain chemistry associated with the use of Klonopin (clonazepam) in the provided studies.
  • However, one study investigated the use of clonidine, which is a different medication, in patients with bipolar disorder and found that it may have some benefits in reducing ADHD symptoms 7.

Interaction between Adderall and Klonopin

  • There is no direct evidence in the provided studies on the interaction between Adderall and Klonopin in terms of brain chemistry.
  • However, studies have shown that amphetamines, such as those found in Adderall, can be effective in reducing ADHD symptoms in patients with bipolar disorder, and that they do not appear to increase the risk of mania when used alongside mood stabilizers 7.
  • It is essential to note that the use of multiple medications, including Adderall and Klonopin, should be closely monitored by a healthcare professional to minimize potential interactions and side effects.

ADHD Medications and Brain Chemistry

  • ADHD medications, including amphetamines and methylphenidate, work by increasing central dopamine and norepinephrine activity, which impacts executive and attentional function 6.
  • The use of these medications has been associated with changes in brain chemistry, including increased dopamine and norepinephrine release, and has been shown to be effective in reducing ADHD symptoms in patients with attention-deficit/hyperactivity disorder (ADHD) 8, 9, 6.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.