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Opioid Use and Inflammatory Markers: A Brief Review

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The use of opioids plays a major role in the blood and immune systems.

Written by

Swetha. R.

Medically reviewed by

Dr. Kaushal Bhavsar

Published At February 26, 2024
Reviewed AtFebruary 26, 2024

Introduction

Opioids are used to relieve pain. They are produced by a plant called the opium poppy, and they may cause addiction in some people, which is known as opioid drug disorder. Inflammatory markers are used to find the inflammation in the body caused by some of the disorders and infections.

What Are Opioids?

Opioids are the drugs (medications) used to treat chronic pain in the body. These drugs are used by people who suffer from severe aches (pain), headaches, backaches caused by the surgery, and other disorders like cancer. Long-term opioid usage has an impact on biological processes that include the immunological and hematological systems. It could change inflammatory indicators and several blood test results. Types of opioids are Codeine,

Fentanyl, Hydrocodone, Oxycodone, Oxymorphone, and Morphine.

Classification of Opioids:

  • Natural Opioid Analgesics: These are Codeine and Morphine.

  • Synthetic Opioid Analgesics: Hydrocodone, Oxycodone, and Hydromorphone.

  • Methadone: It is used as MAT (Medication-Assisted Treatment) for opioid use disorder (OUD) or pain relief. Methadone is administered for MAT under the close supervision of a medical professional.

What Are Inflammatory Markers?

The body's immune system responds to any damage, injury, or harm produced by infections, surgery, burns, or inflammation. Inflammation produces a certain protein, which is released into the bloodstream. These substances can cause tissue damage or disease by causing acute and chronic inflammation in the heart, pancreas, liver, kidney, lung, brain, digestive tract, and reproductive system.

There are many different inflammatory biomarkers used, such as procalcitonin (PCT), erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP). PCT is an inflammatory marker that helps in determining the presence or absence of bacterial infections. Age and BMI (body mass index) are important factors in several inflammatory indicators.

In addition, researchers found that postmenopausal women had much greater levels of several inflammatory markers than premenopausal women, current smokers, NSAID (non-steroidal anti-inflammatory drug) users, and women with hereditary breast or ovarian cancer had lesser levels.

What Is the Relationship Between Opioid Use and Inflammatory Markers?

Opioids can induce immune cells to generate inflammatory chemicals known as cytokines, leading to brain inflammation. Microglia and astrocytes are the primary immunological cells in the brain, which maintain the function of emotion and motivation. The central amygdala, which is present in the brain area and has been significantly linked to opioid dependence, has developed signs of inflammation in response to opioids. The gut and other inflammatory areas of the body can also impact the central amygdala.

What Are the Side Effects of Using Opioids?

  • Lack of sleep.

  • Vomiting and nausea.

  • Constipation.

  • Physical dependence (a condition that is produced by withdrawal of opioids).

  • Tolerance.

  • Decreased heartbeat.

  • Loss of consciousness.

  • Breathing difficulties.

  • Sedation.

  • Tiredness or dizziness.

  • Stomach emptying.

  • Severe discomfort.

  • Immunological reactions.

  • Hormone imbalance.

  • Flushing.

  • Itchiness.

  • Allergic reaction.

The most likely side effect of opioids is addiction. The mind and body may come to feel that opioids are essential for survival if people use them for pain relief. People might discover they require more medicine for managing pain. This could rarely lead to addiction.

How to Prevent the Use of Opioids?

When used to treat severe pain produced by any surgery or a bone fracture, opioids are safest when they are used for three days. When taking opioids for chronic pain, patients should work with their doctor to take the smallest possible dose for the shortest amount of time necessary, exactly as directed. Be careful to inquire about the availability of medications other than opioids as well as alternative forms of treatment. Additionally, avoid taking other people's or sharing their opioid medications.

Opioids are probably not a safe and effective long-term therapeutic option for someone who has chronic pain. There are other alternative therapies available, including non-pharmacological painkillers and less addictive painkillers.

What Is the Use of Inflammatory Markers?

  • The body's natural reaction to an infection or inflammation is the production of proteins. C-reactive protein (CRP) is one of these proteins. At the onset of infections or inflammatory diseases, CRP is released rapidly.

  • Another test for evaluating blood thickness is plasma viscosity. This is confirmed by measuring the force required to push plasma, a liquid portion of blood, into a short tube in a predetermined time. This thickness rises during inflammation due to increased blood levels of several distinct proteins.

  • By monitoring the fall (sedimentation) of erythrocytes or red blood cells in a blood tube, the erythrocyte sedimentation rate also provides physicians with an indicator of the amount of protein in the blood. Red blood cell counts decrease more quickly when protein levels rise, which raises the ESR.

  • It is also used to find the relationship between inflammatory and non-inflammatory responses or diseases.

  • C-reactive protein is released in the liver during the inflammation. It is used to find cancers like colorectal and lung cancer.

  • CRP is a helpful measure for detecting disease activity and response to treatment, and its levels decrease quickly once the underlying cause of inflammation has been resolved.

  • Similar data for treatment choices and illness monitoring may be obtained from PCT measurements.

Conclusion

Opioids work by stimulating opioid receptors outside of the central nervous system, which reduces pain and inflammation. A common factor in the abnormal development of organ disease is inflammation. Hematopoietic cells have been significantly affected by long-term opioid use. Long-term opioid use raises inflammatory markers that point to underlying illnesses.

Source Article IclonSourcesSource Article Arrow
Swetha. R.
Swetha. R.

Pharmacology

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