Clonazepam and Codeine Sulfate must not be used together. This combination is classified as CONTRAINDICATED.
The combination significantly increases the risk of severe respiratory depression, profound sedation, coma, and death. Patients may experience decreased level of consciousness, hypoventilation, bradycardia, and hypotension. These effects can be life-threatening and require immediate medical intervention.
Mechanism: Both codeine (an opioid analgesic) and clonazepam (a benzodiazepine) are central nervous system (CNS) depressants. Their co-administration leads to additive CNS depression, primarily by enhancing GABAergic activity (benzodiazepines) and inhibiting neuronal activity through opioid receptor agonism (codeine), resulting in synergistic effects on respiratory drive and sedation.
Clonazepam vs. Codeine Sulfate
Compare Clonazepam and Codeine Sulfate: mechanism of action, indications, side effects, cost, and which may be right for you.
Quick Comparison
| Category | Clonazepam | Codeine Sulfate |
|---|---|---|
| Drug Class | Benzodiazepines | Opioid Analgesics |
| Rx Status | Rx | Rx |
| Generic Available | No | No |
| Typical Cost | $4–$25/month | $10–$50/month |
Clonazepam Overview
Clonazepam is a medication used to treat certain types of seizure disorders, including Lennox-Gastaut syndrome and absence seizures. It also helps manage panic disorder, which involves unexpected panic attacks. This medication works by calming overactivity in the brain to reduce seizures and anxiety.
Full Clonazepam guide →Codeine Sulfate Overview
CODEINE SULFATE (brand name: Codeine sulfate) is a Opioid Analgesics. 1 INDICATIONS AND USAGE Codeine Sulfate Tablets are indicated for the management of mild to moderate pain, where treatment with an opioid is appropriate and for which alternative treatments are inadequate. Limitations of Use: • Because of the risks of addiction, abuse, misuse, overdose, and death,…
Full Codeine Sulfate guide →How Each Drug Works
Codeine Sulfate
Codeine sulfate is an opioid agonist relatively selective for the mu-opioid receptor, but with a much weaker affinity than morphine. The analgesic properties of codeine have been speculated to come from its conversion to morphine, although the exact mechanism of analgesic action remains unknown.
Approved Uses (Indications)
Clonazepam
INDICATIONS AND USAGE Seizure Disorders: Clonazepam tablets are useful alone or as an adjunct in the treatment of the Lennox- Gastaut syndrome (petit mal variant), akinetic and myoclonic seizures. In patients with absence seizures (petit mal) who have failed to respond to succinimides, clonazepam tablets may be useful. Some loss of effect may occur during the course of clonazepam treatment (see PRECAUTIONS: Loss of Effect ). Panic Disorder: Clonazepam tablets are indicated for the treatment of panic disorder, with or without agoraphobia, as defined in DSM-V. Panic disorder is characterized by …
Codeine Sulfate
Codeine Sulfate Tablets are indicated for the management of mild to moderate pain, where treatment with an opioid is appropriate and for which alternative treatments are inadequate. Limitations of Use:
- Because of the risks of addiction, abuse, misuse, overdose, and death, which can occur at any dosage or duration and persist over the course of therapy [see Warnings and Precautions ] , reserve opioid analgesics, including Codeine Sulfate Tablets, for use in patients for whom alternative treatment options are ineffective, not tolerated, or would be otherwise inad…
Side Effects
Clonazepam
Codeine Sulfate
Cost Comparison
Clonazepam
$4–$25/month
As a widely available generic, prices for Clonazepam are generally low. Using discount cards like GoodRx can often reduce the cost even further, sometimes as low as $4 per month.
Codeine Sulfate
$10–$50/month
As a generic medication, Codeine Sulfate is relatively inexpensive. Using a discount card or coupon can often reduce the cash price further.
Compare prices for Clonazepam and Codeine Sulfate
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Medical Disclaimer
The information on RxGuide is intended for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician, pharmacist, or other qualified health provider with any questions you may have regarding a medical condition or medication. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.