Codeine — Effects, Risks, Withdrawal & Treatment

✓ Medically Reviewed by Stuart Wasser, M.D.
📅 Last Updated: October 30, 2025

What is Codeine?

Codeine is a naturally occurring opioid used to treat mild to moderate pain and cough. It is converted to morphine in the body and carries addiction risks.

Street Names: Cody, Schoolboy, Lean (when mixed with promethazine)

Category: Opioids

Effects & Risks

Short-Term Effects

Codeine can produce various immediate effects on the body and mind. These effects vary based on dose, method of use, and individual factors.

Long-Term Risks

Chronic use of Codeine can lead to serious health consequences including physical dependence, organ damage, and psychological problems.

Overdose Risk

Risk Level: Moderate

Overdose on Codeine is a medical emergency. Signs may include respiratory depression, loss of consciousness, and cardiovascular problems.

Is Codeine Addictive?

Yes, Codeine is considered addictive.

Addiction develops when the brain's reward system is altered by repeated substance use, leading to compulsive use despite negative consequences.

Withdrawal Symptoms & Timeline

Severity: Moderate

Withdrawal from Codeine can be uncomfortable and, in some cases, dangerous. Symptoms typically include:

Important: Never attempt to quit Codeine "cold turkey" without medical supervision, especially if you've been using regularly.

Treatment Options

Medication-Assisted Treatment (MAT) Available: Yes, FDA-approved medications can help manage withdrawal and cravings.

Evidence-Based Approaches

Is it Safe to Mix Codeine with Other Substances?

No. Mixing Codeine with alcohol, benzodiazepines, or other central nervous system depressants significantly increases overdose risk.

Polysubstance use is extremely dangerous and can lead to unpredictable effects, respiratory depression, and death.

How to Help a Loved One

If someone you care about is struggling with Codeine use:

Frequently Asked Questions

How long does Codeine stay in your system?

Detection times vary based on the type of test, frequency of use, and individual metabolism. Generally, Codeine can be detected in urine for several days to weeks after last use.

Can you overdose on Codeine?

While less common, overdose is still possible, especially when combined with other substances.

What does Codeine withdrawal feel like?

Withdrawal symptoms can range from mild discomfort to severe physical and psychological distress. Medical supervision is recommended for safe withdrawal.

Is treatment covered by insurance?

Most insurance plans cover addiction treatment services. We can help verify your benefits at no cost.

Sources

⚠️ Emergency Disclaimer:

If you or someone else is experiencing a medical emergency, call 911 immediately. If you are in crisis or considering self-harm, call the National Suicide Prevention Lifeline at 988.

The information on this page is for educational purposes only and is not a substitute for professional medical advice. Treatment outcomes vary by individual. There are no guarantees of specific results.

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