What Does Morphine Do To The Body
10 Minutes
CONTENTS
Morphine is a powerful opioid that turns down pain signals and changes the way the body perceives pain. It also slows down some of the body’s functions.
While it is highly effective at controlling severe pain, prolonged use of morphine can make you dependent, or addicted to it, and cause other, potentially serious, side effects, such as respiratory depression and organ damage.
One of the best-known and most commonly used opioid medications is morphine, usually to help with severe pain. Morphine is made from the opium poppy and works on the central nervous system by going right to receptors located in the brain which influence the perception of pain.
Morphine is a powerful painkiller that is critical in numerous medical treatments, from treating a patient after surgery to addressing long-term or chronic conditions, including cancer or severe injury. Although morphine is very effective in reducing pain, it does come at the price of well-known major risks especially if used for prolonged times.
Morphine can be taken as oral tablets or intravenous solutions in hospitals. Morphine’s main job is to patch onto opioid receptors in the body, thereby blocking signals of pain and giving patients pain relief. As a strong pain reliever, morphine isn’t a cure for the source of pain but changes the way the brain sees it.
How Does Morphine Work In The Body: Mechanism Of Action
Morphine works by combining with opioid receptors in the brain, digestive system, and spinal cord. When these receptors are loaded with morphine the pain signal transmission is stopped and a state of relaxation and pain relief ensues. These effects can also cause a euphoric state. Morphine has other effects on many vital body functions as well. Slowing breathing, slowing down gastrointestinal motility, and in fact, even affecting heart rate are all part of that. This is the reason for many of the problems that can occur when morphine is used regularly for a prolonged time, especially after patients become tolerant to the drug, dependent on it, or experience adverse side effects.
After entering the bloodstream, morphine travels quickly to the brain and provokes instantaneous physiological and psychological reactions. Some of these are beneficial (e.g. pain relief), and others potentially not so (e.g. dependency). The effect of morphine varies with the dose and the tolerance of the individual and his health condition.
Common Morphine Side Effects You Should Know
Morphine represents a highly effective pain management system, however, there are risks. This section will help patients and healthcare providers weigh the benefits of using it alongside the likelihood that common side effects will occur.
Nausea, vomiting, dizziness, and constipation are some of the most common side effects of morphine. Other common side effects include feelings of lightheadedness or disorientation, drowsiness, or lethargy. It also tends to slow bowel movements, and constipation is a very common complaint among long-term users. Another side effect is respiratory depression (the slowing of breathing to dangerously low levels) because morphine can induce this so long as this is probably being monitored closely.
How Does Morphine Affect The Brain & Nervous System
Morphine reduces the perception of pain by dampening the pain response and patients feel comfort and calm. Despite treatment with morphine, the Central Nervous System is also depressed in some parts, notably those responsible for the regulation of respiration.
A common, but potentially dangerous side effect of this is slowed breathing. In addition, morphine activates the brain’s reward pathway, which creates a euphoric effect, which though pleasant, increases the chance of addiction.
Morphine’s Short-Term Physical And Psychological Effects
The short-term physical effects of morphine are pain relief, sedation, and lowering of anxiety. The problem is that these have side effects such as drowsiness, dizziness, and nausea. So does morphine put you to sleep as well? Yes, as the drug calms the nervous system, drowsiness ensues and it is one of the most common effects of the drug.
Emotionally, patients may feel a pleasant “high,” a sense of well-being, and euphoria, but at higher doses, there may be confusion or impaired judgment. Because morphine can be helpful but creates various side effects in the body, it’s important first to understand what morphine does in the long term.
The major concern with morphine is its addictive potential. Prolonged use can cause the body to become tolerant to its effects and dependent, and can progress to addiction because, like with other opioids, it affects the brain’s reward pathways.
How Prolonged Use Causes Addiction
Patients taking morphine regularly will develop a tolerance over time whereby they need increasing doses on a similar basis to achieve the same level of pain relief. If the body becomes used to having the drug, there can be dependence. Therefore, the body may go into withdrawal when it’s no longer getting the drug and begin exhibiting symptoms such as anxiety, sweating, nausea, or increased pain sensitivity. And morphine use becomes part of this cycle of dependence, and in some cases, addiction, when patients take morphine not just to stop the pain, but to stay away from the sickness of withdrawal.
How To Tell If Someone Is Addicted To Morphine
Morphine addiction signs may include compulsive use of the drug despite the harm, morphine cravings, and being unable to stop using morphine even when there is no pain at all. People may act differently too, for instance trying to get prescribed at more than one doctor or taking morphine at much higher doses than they are supposed to.
Early recognition of these warning signs can help prevent you from becoming addicted in the long term and the deadly health risks addicts face.
Morphine, however, can deliver immediate pain relief, but the long-term side effects are well known. They can affect both physical and mental and overall well-being and quality of life. It is therefore extremely important to understand these long-term risks, particularly for patients who may need longer-term morphine therapy for a chronic pain condition.
The Impact Of Long Term Morphine Use On Brain And Cognitive Function
Long-term use of morphine is a major issue for the brain. Morphine, when used chronically, alters brain chemistry, especially in those areas of the brain that control memory, cognition, and mood. Problems with cognitive function, including difficulty concentrating, problem memory, and slowed reaction time, can be caused by this.
Morphine can reduce the brain’s ability, over time, to make natural painkillers (endorphins) in people, leaving them unable to cope with pain without the drug. Long-term users may also get a general ‘fog’ or lack of mental acuity that disrupts life’s daily processes. This emphasizes the need to take account of an optimum balance between the pain relief that morphine causes and the adverse cognitive effect it induces.
Physical Consequences Of Long-Term Morphine Use
It’s important to note there is more to Morphine than just the brain; Morphine can also carry serious side effects on other organs and body systems.
Morphine has been known to weaken the immune system and prolonged use can cause weakened immunity making the person more susceptible to infection. Additionally, extreme cases such as hormonal imbalances (decreased testosterone in men, or irregular menstrual cycles in women) may be found in chronic morphine users.
In addition, long-term use of the drug can also affect the digestive system improperly, typically causing long-term constipation or other gastrointestinal problems. Additionally, the body’s inability to process morphine over time is also attributable to liver and kidney damage that may…
The effects of morphine on different organs are many and the most feared are respiratory depression, digestive troubles, and cardiovascular troubles. The adverse effects of these need careful monitoring, particularly in the use of morphine in long-term periods.
How Morphine Affects The Respiratory System
The respiratory system is the most dangerous side effect of morphine. Morphine is a depressant that slows down the rate at which our bodies breathe naturally, causing shallow and infrequent breathing (respiratory depression). In extreme cases, this can be life threatening especially is those who have an underlying respiratory condition such as asthma or Chronic Obstructive Pulmonary Disease (COPD). Knowing how morphine affects the body helps recognize that even therapeutic doses can lead to respiratory distress just when other CNS depressants, such as alcohol or benzodiazepines, are involved.
Impact Of Morphine On The Digestive System
Another big thing is that morphine also affects the digestive system. Morphine is especially notorious for causing constipation, a side effect caused by slowing down gastrointestinal motility, which in many cases becomes a severely bothersome problem with prolonged use.
Bloating, cramping, or nausea can affect their overall quality of life, according to patients. Some patients become so reliant on opioids that they develop opioid-induced bowel dysfunction, a problem that requires medical intervention of its own.
Effects On The Cardiovascular System
Morphine, too, can affect the cardiovascular system, but the effects on this system are usually less marked than those on the respiratory or digestive system. Morphine may also cause dizziness or fainting, especially when you get up too quickly from a seated or lying position because it can cause the blood pressure to drop. Morphine use can also lead to bradycardia (where the heart rate slows dangerously low) as well. Care needs to be taken to watch out for such potential complications in all patients, especially in patients who already have pre-existing heart conditions.
While its physical effects are well known the impact on mental health and emotional stability are equally important. Morphine is used as a painkiller in the long term and can cause some mental health problems.
The Psychological Toll Of Morphine Use: Depressed, Anxiety, And Unstable Moods
The emotional side effects of morphine arise from its effect on the brain’s reward system. Part of it is because long-term morphine use messes with the natural balance of things like dopamine and serotonin, neurotransmitter signaling chemicals that are important in our mood regulation. People who use morphine for long periods sometimes find that they get moody, unsteady, and even feel hopeless or useless. Add to that the physical dependence on the drug and you have a kind of emotional spin cycle that is difficult to break. While discussing the effects of morphine on the body, it is easy to forget there is more to this drug than simply just changing your physical state, it can change your emotional state as well; this is something not often discussed.
Morphine And Cognitive Impairment: Memory, Attention, And Learning
Long-term morphine use can not only change a person’s moods but also impair such cognitive capabilities as learning, memory, and attention. Patients might have problems focusing, remembering new information, or making good decisions.
Discontinuation of morphine use does not improve these cognitive impairments suggesting that the drug may cause permanent alteration in brain function. In many cases, the severity of cognitive decline is proportional to the amount of morphine used, and the longer you are on morphine, the greater the likelihood that you will become significantly impaired.
While morphine is highly effective for pain management, it also carries a high risk of addiction when used for a prolonged period. But there are ways to lessen the chances of these side effects happening. Both healthcare providers and patients should practice precautions and use safe and recommended doses only.
How To Reduce The Risk Of Adverse Effects
The initial step in lowering the risk for adverse effects is through strict adherence to the prescribed dosages. Adding more morphine (or taking morphine more frequently than directed) increases the chance of becoming addicted and overdosing. To lessen side effects such as drowsiness nausea or respiratory depression, physicians often start patients on the lowest possible effective dose.
Frequent communication should happen between patients and medical care providers regarding any new symptoms and any side effects.
Sometimes, other medicines will also be given, for example, if a patient is constipated, a stool softener may be given, or if a patient has nausea, an anti-nausea drug might be prescribed.
Changes in your health can be easily detected during regular monitoring and follow-ups by the healthcare provider.
In addition, lifestyle adjustments like good hydration and a healthy diet can also highly alleviate some of the constipation-causing digestive effects in the body. If possible, staying active can help reduce feeling sedated or lethargic, since many patients can feel that way.
Alternatives To Morphine: A New Exploration Of Safer Pain Management Options
If you are experiencing serious side effects, you might have to look at alternatives to morphine. Many types of pain can be effectively treated with non-opioid medications such as acetaminophen, ibuprofen, or aspirin with none of the severe risks associated with opioids.
Topical treatments may also help relieve pain that is localized, and non-steroidal anti-inflammatory drugs (NSAIDs) can control pain related to inflammation.
Integrating complementary therapies into pain management strategies is possible, including physical therapy, acupuncture, and cognitive–behavioral therapy (CBT).
In chronic pain, a combination of psychological support, physical rehabilitation, and non–opioid pain medication may be used.
While not all patients will be candidates for non-opioid alternatives, especially those with severe or chronic pain, exploring these options will likely reduce the long-term harm potential of morphine.
How Health Care Providers Monitor And Adjust Morphine Dosages
Healthcare providers have an important role in making sure morphine is used safely since they have the expertise to monitor and change the dosage according to the patient’s therapeutic response. They should schedule regular follow-ups to watch for other potentially dangerous side effects or signs of addiction.
Patients must know the risks of morphine use to have a rational understanding of what the drug might do to their organs and mental health, so they can safely use it.
Patients should feel free to tell the healthcare team if they experience new side effects or if they notice an increase in pain. Your doctor will probably ask you to immediately call if you have any side effects that are severe or unexpected.
1. Medline Plus. Morphine. https://medlineplus.gov/druginfo/meds/a682133.html
2. WebMD. Morphine – Uses, Side Effects, and More. https://www.webmd.com/drugs/2/drug-327-9352/morphine-oral/morphine-extended-release-capsule-oral/details
3. Health Direct. Morphine. https://www.healthdirect.gov.au/morphine
FAQs
Are Allergic Reactions To Morphine Possible, And What Are Their Symptoms?
Morphine Can cause allergic reactions in some people. Allergic reaction symptoms can include hives, itching, swelling, especially in the face or on the tongue or throat, severe dizziness, and difficulty breathing. While they are rare, if you have these reactions, you need medical treatment right away.
What Else Does Morphine Do To Sleep Patterns Besides Drowsiness?
Morphine often makes people sleepy but it can also upset your normal sleep patterns. The drug may cause insomnia or fragmented sleep for some people because it affects the brain chemicals that control sleep. Deep sleep may be reduced, meaning you might have been sleeping for long hours, but it doesn’t feel to bring about rest.
Does Morphine Affect One Sexual Health Or Libido?
Indeed, prolonged use can affect sexual health. It can also lower sex drive (libido) in men and women. It can also cause erectile dysfunction in men, or difficulty achieving orgasm. The morphine effects on hormones and blood flow are what link to these effects.
Does Morphine Cause Skin Problems, Like Rash Or Sweating?
Side effects of morphine on the skin are numerous. While some people may have excessive sweating, especially at night, others will develop rashes or itchy skin. These can be uncomfortable but are generally mild. You should consult a healthcare provider if they worsen.
How Do Other Medicines Interact With Morphine And Can Worsen Side Effects?
Morphine can also interact with other medicines, like sedatives, antidepressants, or certain antihistamines, and increase the chance of side effects from those medicines, such as respiratory depression, drowsiness, or dizziness. All medications should be reported to your healthcare provider so that dangerous interactions do not occur.
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