Morphine Addiction: The Causes, Symptoms and Side Effects
Morphine has a history that goes back centuries, and when taken properly, it can be very effective for relieving severe pain. However, because of how strong morphine is, it can also be dangerously addictive and potentially even deadly. If you or someone you love is struggling, recognising the risks and getting the right support could help prevent a tragedy.
What is morphine?
Morphine is a powerful painkiller that comes from the opium poppy plant. It is often used in hospitals after surgery or for people with long-term pain and can also be part of end-of-life care to help make someone more comfortable.
Morphine doesn’t treat the source of the pain but instead makes it less intense by changing how your brain experiences pain. A morphine dose can be administered in different ways, including a morphine injection or a slow-release morphine patch worn on the skin.
Most people feel tired or a bit sick on morphine, and some get constipated or confused. However, there are also more serious morphine side effects like slowed breathing, a drop in blood pressure and, if used for too long or without proper medical care, morphine addiction.
Morphine addiction means knowing that morphine use is harming you, but still not feeling like you can stop. This can come from recreational morphine abuse, taking it in bigger amounts than prescribed, using it for longer than planned or taking it to try and replace heroin or other opioids.
Like other forms of prescription drug addiction, an addiction to morphine starts slowly. Most people begin with a small, occasional morphine dose, but when your body gets used to this amount, that dose can become ineffective. If you then start increasing your morphine dose a little bit at a time, your brain starts depending on it completely. This means that stopping or, in some cases, even reducing your morphine dose pushes you into withdrawal.
The difference between morphine dependency and full opiate addiction is when you also become mentally or emotionally reliant on morphine. This may be for stress relief or to take the edge off upsetting thoughts or memories. Prescription drug addiction treatment needs to address all of these issues to be effective, but with the right support, it is possible.
Morphine abuse and addiction factsheet
- Morphine is a class A controlled substance under the Misuse of Drugs Act 1971 and is legal only with a prescription.
- Having morphine without a prescription can lead to up to 7 years in prison, an unlimited fine or both. Supplying or selling morphine illegally can lead to life imprisonment.
- Heroin converts to morphine in the body, so deaths are grouped together as it is rarely possible to differentiate during post-mortem examination.
- The 1,453 deaths in England and Wales linked to morphine and heroin poisoning were the highest on record and more than a quarter of all drug-related deaths.
- The heroin & morphine death rate in England increased by 667% between 1993 and 2020.
How to spot telltale morphine addiction signs?
It’s not always easy to spot when morphine use has escalated to addiction. If you are starting to question your relationship with morphine, here are some morphine addiction symptoms that may shine a light on a need for help:
- You’re not using morphine just for pain anymore but to escape your problems or just unwind.
- A lot of your time, energy or money is going toward getting more morphine.
- You are missing work, school or other responsibilities because of morphine abuse.
- Your usual morphine dose doesn’t work as well anymore so you are having to take more.
- You have hidden morphine or exaggerated pain symptoms to get another prescription.
- You feel on edge or irritable if you can’t take morphine when you want to.
- Even though morphine abuse is affecting your life, stopping still feels impossible.
If some of these sound familiar, it might be time to look at prescription drug addiction treatment at the Providence Projects.
Reach out to our expert support team 24 hours a day
Start the Morphine Rehabilitation Process Today
Finding the best addiction treatment is vital for long-term recovery success. Our friendly and compassionate team will hold your hand through the process until you learn to love yourself again.
What factors increase the risk of morphine addiction?
When someone becomes addicted to morphine, it is usually a mix of life events, physical reactions and emotional struggles that all start stacking up. During opiate addiction treatment, all of these factors need to be addressed for a successful, lasting recovery. Here are some of the most common causes behind morphine addiction:
A long history of pain management
If you have been using morphine regularly to deal with pain, your body can become tolerant to its effects. As explained above, this means the same dose won’t work anymore and if you start increasing it without medical oversight, it is a slippery slope to addiction.
Your body’s natural sensitivity
Some people are simply more vulnerable to developing a prescription drug addiction to morphine. This means if addiction runs in your family or if your body processes morphine in a certain way, you may be more likely to get stuck in a cycle of use.
Stressful surroundings
Life pressures like money, work issues or problems at home can all push people toward using morphine more than they planned. Likewise, if it’s easy for you to get hold of morphine, the risk of using it outside its intended purpose increases.
The people around you
It can be hard to say no when people close to you are using morphine or other drugs. If you’re in an environment where it feels “normal,” that normalcy can turn into addiction without you realising it.
Emotional pain or mental health struggles
Sometimes morphine feels like a way to quiet things that hurt on the inside. If you’re dealing with anxiety, depression, trauma or emotional exhaustion, morphine can become a way to numb those feelings. Unfortunately, the relief rarely lasts with addiction ultimately making them harder to manage.
What are the most dangerous morphine side effects and addiction risks?
Because morphine is such a strong drug, it can do enormous harm and can even cause death. Here are some of the biggest dangers of morphine abuse and addiction.
Morphine overdose
Taking too much morphine or mixing it with other drugs or alcohol can slow down breathing so much that it stops altogether. Signs of morphine overdose include:
- Very slow or shallow breathing
- Blue lips or fingertips
- Extreme drowsiness or unconsciousness
- Pinpoint pupils
You need to call 999 immediately if you suspect someone is overdosing.
Harm to your organs
Your liver and kidneys help clean out your system but if you’re using morphine regularly or in high doses, these organs can get overworked and damaged. This damage may not be obvious right away, but it can cause serious health problems later on.
Mental health struggles
People who already live with depression or anxiety may notice those symptoms getting worse when morphine is in the mix. Even if you have never had issues before, frequent morphine abuse can cloud your thinking, make emotions harder to handle and bring on new mental health problems.
Heart risks
Morphine abuse can also cause major damage to your heart and cardiovascular system. It can change your heart rate or even raise your risk of a heart attack, especially if you are injecting morphine.
Finding help if you have a morphine addiction
When you realise that morphine is starting to control your life, it can feel like there’s no way out. At Providence Projects, we know how tough this is and we treat every person with compassion and honesty. Our treatment pathway for morphine addiction combines proven therapy with expert guidance and care.
Contact us today and we can help guide you through every stage of recovery.
Reach out to our expert support team 24 hours a day
Start the Morphine Rehabilitation Process Today
Finding the best addiction treatment is vital for long-term recovery success. Our friendly and compassionate team will hold your hand through the process until you learn to love yourself again.
Frequently Asked Questions
How is morphine addiction screened?
Screening for morphine addiction usually starts with a healthcare provider asking questions about your history with morphine and how it’s affecting your life. Sometimes, simple screening tools like the DAST (Drug Abuse Screening Test) are used. These are short checklists that help spot patterns in your morphine use and figure out what kind of support you need.
How to prevent morphine addiction?
The best way to avoid morphine addiction is to take it exactly as prescribed and for the shortest time needed. Don’t change your morphine dose on your own and talk to your doctor if you feel like it’s not working anymore. If you’ve had problems with drugs in the past, let your doctor know as they might suggest a different pain treatment.
Can the combination of morphine and alcohol be dangerous?
Yes, mixing morphine and alcohol is extremely dangerous. Both slow down your breathing and heart rate, and together, this increases your risk of overdose, loss of consciousness or even death.
(Click here to see works cited)
- McClung, Colleen A. “The molecular mechanisms of morphine addiction.” PubMed, https://pubmed.ncbi.nlm.nih.gov/17139840/ – Accessed 18 January 2025.
- UK-Rehab. “Information on Opiates and Opiate Addiction | UK Rehab.” UK-Rehab, https://www.uk-rehab.com/opiate-addiction/ – Accessed 18 January 2025.
- Office for National Statistics. “Deaths related to drug poisoning in England and Wales: 2023 registrations. ONS.” Deaths related to drug poisoning in England and Wales – Office for National Statistics, 23 October 2024, https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/bulletins/deathsrelatedtodrugpoisoninginenglandandwales/2023registrations – Accessed 23 July 2025.
- Listos, Joanna et al. “The Mechanisms Involved in Morphine Addiction: An Overview.” International journal of molecular sciences vol. 20,17 4302. 3 Sep. 2019, doi:10.3390/ijms20174302. Accessed 18 January 2025.
- UK-Rehab. “Treatment For Morphine Addiction | UK Rehab.” UK-Rehab, https://www.uk-rehab.com/treatment-rehab/morphine-addiction/ – Accessed 18 January 2025.