The Effects of Codeine Use

  1. Table of ContentsPrint
  2. Is Codeine Harmful?
  3. Codeine Short-term Effects
  4. Side Effects
  5. Long-term Effects of Codeine
  6. Codeine Dependence
  7. Treatment for Codeine Addiction and Withdrawal

Girl with cough syrup

Codeine abuse can develop into a full-fledged codeine addiction.

Codeine is one of the many pharmaceuticals classified as an opiate. Opiates are narcotics with a high potential for addiction.

When used as prescribed, this pain reliever and cough suppressant is a relatively mild opiate. However, it is still a dangerous drug that is increasing in usage and popularity, both with celebrities and with teenagers and young adults.

Codeine Effects question 1

Is Codeine Harmful?

Codeine is typically administered in liquid or pill form (frequently in combination with acetaminophen), and when used under the direction of a medical professional, codeine is a relatively safe way to treat minor pain or control troublesome coughs. However, users often abuse codeine for the feelings of relaxation and euphoria they produce.

Codeine abuse can develop into a full-fledged codeine addiction. In fact, codeine has been classified as a Schedule II drug, meaning it has a "high potential for abuse."

Like many opiates, withdrawal symptoms from codeine can be quite severe, keeping the user in a cycle of use they find difficult to stop.

Opiates affect every body system.
See our infographic to learn just how dangerous these drugs can be


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Codeine Short-term Effects

Codeine is often abused for the effects in can provide in high doses:

  • Euphoria.
  • Feelings of being drunk.
  • Altered consciousness.

However, some of the more common negative short-term effects of codeine use include:

  • Nausea and vomiting.
  • Excessive drowsiness, dysphoria or confusion.
  • Dry mouth.
  • Constipation.
  • Allergic skin reaction or rash.

At high doses, codeine can also cause dangerous short-term effects for drug users via respiratory depression:

  • Breathing can slow.
  • The heart rate can drop.
  • Blood pressure can fall.

When a user takes an excess dose of codeine, he is subject to loss of consciousness, respiratory collapse and/or cardiac arrest. The resulting decrease in oxygenated blood to various organ systems could be quite devastating. Without enough oxygen, tissue in the brain and heart can die, leading to permanent organ damage or even death.

Codeine Effects question 2


Side Effects

Dangerous Drug Combinations

Codeine is often combined with other drugs, such as:

Mixing codeine with other drugs increases the risk of drug overdose and respiratory depression, which can be fatal.

Other side effects not listed above include:

  • Vertigo or dizziness.
  • Stomach upset and loss of appetite.
  • Indigestion.
  • Hallucinations.
  • Tremors.
  • Depression.
  • Urinary retention or inability to urinate.

Some of the less-serious side effects of codeine, such as stomach upset, might only last a few hours. More concerning are effects like mood changes or depression, which can persist for years, depending on the duration and severity of abuse.

Signs of Overdose

  • Cyanosis, or blue lips or skin.
  • Loss of consciousness.
  • Pinpoint pupils.
  • Lack of a pulse.
  • Shallow or halted breathing.
  • Sluggish pulse or slowed heartbeat.
  • Chest pain.
  • Frequent vomiting.
  • Extreme fatigue.

It's essential to get emergency care immediately when you suspect an overdose. Opiate overdose can permanently damage the brain. Learn more at our blog, Opiates, Overdose and Permanent Brain Damage.

If you see any of the above in someone you suspect may be abusing codeine, seek medical care immediately.

Codeine Effects question 3


Long-term Effects of Codeine

The long-term effects of codeine can be quite dangerous to the body and sometimes fatal. The long-term effects of codeine include:

  • Insomnia.
  • Nightmares.
  • Pain when not using the drug.
  • Liver damage secondary to acetaminophen toxicity.
  • Seizures.

The cardiac and respiratory slowing effects of codeine and other opiates do not develop as rapidly as the tolerance to the euphoria and pain-relieving effects. As people begin to take more and more of the drug to achieve the same effects, the risk of overdose increases, with decreased respiration (lung function) and other medical complications including:

  • Organ damage.
  • Coma.
  • Death.

The biggest long-term issue with codeine use is that the drug causes dependence. Aside from the physical problems that codeine abuse, codeine addiction can lead to a number of social and lifestyle issues, including:

  • Financial problems.
  • Emotional and relationship issues.
  • Inability to work.
  • Crime.
  • Drug-seeking behavior such as "doctor shopping".
  • Lying about or "covering up" addictive behavior when confronted by friends and family.

Drug addiction is difficult to overcome without the guidance of a trained medical professional at a rehab facility.

Codeine Effects question 4


Codeine Dependence

young man in hooded jacket with head in hands
As mentioned, one of the dangers of codeine abuse lies in its ability to lead to drug tolerance. Once users begin developing a tolerance to drugs, it takes a higher dose of the drug to get the same "high" feeling.

Higher doses of codeine lead to:

  • Higher risk of overdose.
  • Respiratory depression.

Sustained and excess use is extremely dangerous particularly because the respiratory depression resulting from it can be fatal if not immediately treated.


Treatment for Codeine Addiction and Withdrawal

Detox and Withdrawal

Symptoms of codeine withdrawal an range from mild to severe and depend on the individual and how deep they are into their addiction. The typical codeine withdrawal symptoms include:

  • Irritability.
  • Anxiety and depression.
  • Difficulty sleeping.
  • Muscle aches.
  • Sweating.
  • Stomach cramps.
  • Diarrhea.
  • Nausea and vomiting.

Codeine Effects question 5

Withdrawal from opiates can be an extremely uncomfortable process. Detox at a rehab facility under the supervision of a medial professional can help ease the discomfort of the process.

Addiction Treatment

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Once detox is complete, it's time to begin the real work of recovery. Many prefer to get treatment in an inpatient rehab facility, because patients get care 24 hours a day for a predetermined period of time, where they can focus completely on gaining the skills needed to live a life of recovery.

However, outpatient treatment is another option for those seeking help who are unable to commit to full-time inpatient care. It's important to assess your needs and determine which type of treatment will better suit you.

If you or someone you love is dealing with a codeine addiction, you can get help. It is never too late to turn your life around, and that means coming to terms with a codeine addiction and seeking out the help that you need in order to turn your life around for the better.

Call 1-888-744-0069 to talk to a caring treatment support professional who can walk you through the process of finding the right care for you.

Codeine Effects question 6

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