Uncover the empowering tools and personalized support designed to help you reclaim your life. Take the initiative and learn how we can assist you in breaking free from the grip of heroin addiction.
Heroin can create powerful opioid effects while slowing the body’s most basic functions, including breathing. Regular use can also lead to intense cravings and withdrawal, making it increasingly difficult to stop even when the consequences are already serious.
The risk looks different today than it did a decade ago. Fentanyl has transformed the illicit opioid supply, so someone buying what they believe is heroin may not know which opioid they are actually taking or how potent it is. Understanding that risk, recognizing when heroin use has become an opioid use disorder, and knowing what effective treatment involves can all help someone make safer decisions about what comes next. Harmony Ridge Recovery Center provides treatment for people struggling with heroin and other opioid use disorders in West Virginia.
Heroin is an illegal opioid made from morphine, a substance derived from the opium poppy. It may appear as a white or brown powder or as a dark, sticky substance commonly called black tar heroin. Once heroin enters the body, it is converted to morphine and binds to opioid receptors involved in pain, reward, breathing, and other essential functions. This can produce intense euphoria, relaxation, and drowsiness while slowing movement, thinking, and respiration.

Heroin remains in use, but illegally manufactured fentanyl has largely displaced it in many parts of the U.S. illicit opioid market. Products sold as heroin may contain fentanyl, and someone using them cannot reliably know the opioid involved or its potency.
The overdose numbers show how dramatically the market has changed. In 2024, 2,743 overdose deaths involved heroin, compared with 47,735 involving synthetic opioids other than methadone, a category dominated by fentanyl.
Heroin itself has not disappeared. In 2025, approximately 581,000 people aged 12 or older reported using heroin in the past year, while about 477,000 met criteria for heroin use disorder.
For someone using an illicit opioid today, the distinction between heroin and fentanyl may therefore be less predictable than it appears. A product sold as heroin can expose someone to a much more potent opioid than expected, increasing the risk of respiratory depression and fatal overdose.
Heroin’s most immediate effects often include euphoria, relaxation, drowsiness, nausea, constipation, slowed thinking, and impaired judgment. As the dose or opioid effect increases, breathing can become dangerously slow.
Repeated use can affect more than the moments when someone is intoxicated. Appetite and weight may change, concentration can suffer, and daily routines may increasingly revolve around obtaining, using, and recovering from opioids. Work, school, finances, housing, relationships, and personal care can all begin to deteriorate.
How heroin is used creates additional risks. Injecting heroin can damage veins and cause skin and soft-tissue infections. Sharing injection equipment can transmit HIV and hepatitis B or C, while bacteria entering the bloodstream can cause serious infections such as endocarditis. Snorting heroin can irritate and damage nasal tissue, while smoking heroin can affect the mouth and respiratory system.
The greatest immediate danger during a heroin overdose is respiratory depression. Opioids can slow breathing until the brain and other organs no longer receive enough oxygen. Without prompt intervention, brain injury or death can follow.
Other substances can increase the danger further. Alcohol, benzodiazepines, and other central nervous system depressants can compound heroin’s effects on sedation and breathing. Stimulants do not cancel those effects. Cocaine or another stimulant may make someone feel more awake while heroin or fentanyl continues to suppress respiration.
If someone may be experiencing a heroin or other opioid overdose:
Naloxone can reverse an opioid overdose, but its effects may wear off while opioids remain in the body. More than one dose may sometimes be necessary, particularly when fentanyl is involved. If there is no response after the first dose, follow the naloxone product instructions for additional dosing while waiting for emergency help.
Someone who is unconscious after opioid use should never simply be left to “sleep it off.”
Heroin withdrawal begins when someone who has developed physical dependence stops or substantially reduces their opioid use.
It is generally not considered inherently life-threatening in the way severe alcohol or benzodiazepine withdrawal can be, but it can still be physically and emotionally intense. Severe gastrointestinal symptoms can cause dehydration, while cravings and distress can make returning to opioid use more likely.
Symptoms can include:
The experience varies depending on how much and how often heroin was used, how long use continued, whether fentanyl or other substances were involved, previous withdrawal experiences, and the person’s physical and mental health.
There is no exact timeline that applies to everyone. Withdrawal can begin within hours after the last use. Anxiety, restlessness, cravings, muscle aches, sweating, sleep problems, and gastrointestinal symptoms may appear first and become more intense over the following days.
The strongest physical symptoms eventually begin to improve, but fatigue, sleep disruption, low mood, anxiety, difficulty concentrating, and cravings may continue afterward.
Other opioids can also change the timeline. Someone exposed to fentanyl or longer-acting opioids may have a different withdrawal experience from someone using heroin alone.
A medical detox program can provide monitoring and symptom management when that level of support is clinically appropriate. Care may include managing nausea, diarrhea, pain, or sleep problems; supporting hydration and nutrition; monitoring physical and mental health; addressing cravings; identifying other substance use; and beginning medication treatment for opioid use disorder when appropriate.
Detox can help someone through the immediate withdrawal period, but detox alone does not treat the larger opioid use disorder.
Someone can show signs of recent heroin use without necessarily displaying every feature of opioid use disorder. The larger concern is whether opioid use has become difficult to control and is continuing despite increasingly serious consequences.
Immediate signs may include unusual drowsiness, heavy eyelids, slurred speech, changes in sleep, constipation, reduced attention to hygiene, mood changes, secrecy, or the presence of needles, foil, or other drug paraphernalia.
A more established pattern of heroin addiction may involve:
Risk can be greater in people with previous opioid misuse, a personal or family history of substance use disorders, depression, anxiety, trauma, unstable living circumstances, or environments where substance use is common. These factors increase vulnerability but do not determine who will develop an addiction.
Heroin addiction treatment needs to address more than withdrawal. Effective care can reduce opioid cravings and overdose risk while also addressing behaviors, emotional health, triggers, relationships, living circumstances, and other factors that can pull someone back toward opioid use.
Treatment does not have to follow one rigid sequence. Someone may need withdrawal support first, while another person may begin medication treatment or enter an outpatient program without following the same path.
Medication is one of the most important evidence-based treatments for opioid use disorder. The FDA-approved medications are buprenorphine, methadone, and naltrexone. They work differently to reduce cravings or withdrawal symptoms or block opioid effects. Out of the three, Harmony Ridge’s Medication-Assisted Treatment program uses only buprenorphine and naltrexone as part of opioid addiction treatment.
Medication does not necessarily stop when withdrawal ends. Depending on the person’s needs, it may remain part of longer-term treatment alongside therapy and recovery support.
Medication addresses important biological aspects of opioid dependence, but recovery also involves learning how to respond to cravings, stress, emotional distress, relationships, and environments associated with heroin use.
Cognitive Behavioral Therapy can help identify triggers and develop different responses to situations linked with opioid use. Individual therapy allows more focused work on personal experiences and recovery goals, while group therapy adds peer support and shared recovery work.
Family therapy may also be useful when addiction has damaged relationships or when family members need healthier ways to support recovery.
Other approaches, including contingency management and holistic addiction therapy, may complement treatment when appropriate. Supportive activities should add to rather than replace evidence-based opioid addiction care.
The right level of treatment depends on medical stability, current opioid and other substance use, mental health, previous treatment, home circumstances, available support, and recovery progress.
People may enter treatment at different points in this continuum or move between levels as their needs change.
Heroin addiction often exists in a more complicated picture than opioid use alone. Depression, anxiety, trauma-related symptoms, chronic pain, and other mental health concerns may already be present before heroin use begins. In other cases, opioid use, withdrawal, isolation, relationship problems, or other consequences of addiction can trigger or worsen emotional symptoms.
Untreated mental health symptoms can also become powerful relapse triggers. Someone using heroin to cope with anxiety, trauma, depression, or pain may struggle to remain away from opioids if those problems are left unaddressed.
When opioid use disorder and a mental health disorder occur together, dual diagnosis treatment can address both within the same recovery plan.
One of the most important risks in heroin recovery appears after someone has stopped using for a period of time.
Opioid tolerance can fall during detox, residential treatment, hospitalization, incarceration, or another period without opioids. If someone later returns to heroin and takes an amount they previously tolerated, that dose may now be far more dangerous.
Stress, pain, cravings, untreated mental health symptoms, limited support, or returning to people and environments associated with previous use can all contribute to relapse. A relapse prevention plan can identify those risks in advance and establish specific responses.
Overdose prevention should remain part of recovery planning as well. Keeping naloxone available is especially important because a return to opioid use after tolerance has decreased can become fatal quickly.
Recovery does not end when someone completes residential treatment or another intensive program. Opioid use disorder may require ongoing support, and medication treatment can continue when clinically appropriate. An individualized aftercare plan may involve continued outpatient care, individual therapy, medication, support groups, 12-step participation, a sponsor or other recovery-support person, case management, relapse prevention, or alumni support.
Sober living may be useful when returning home would place someone back into an environment strongly connected with previous substance use. It can provide a structured transition toward greater independence without being necessary for everyone who completes treatment.
The right continuing-care plan depends on relapse risks, housing, relationships, mental health, medication needs, and the amount of support available outside treatment.
The cost of heroin addiction treatment depends on the level of care, length of treatment, insurance benefits, network status, medical necessity, authorization requirements, deductible, and individual clinical needs.
Payment options may include private insurance, Medicaid where applicable, and self-pay. Because coverage varies between individual policies, the most reliable way to understand expected costs is to verify insurance benefits before admission.
Medication coverage can also vary by plan, so benefits should be confirmed rather than assuming that a particular medication, provider, or treatment level will automatically be covered.
Heroin addiction is now inseparable from the realities of the fentanyl-dominated illicit opioid supply. Withdrawal can make stopping difficult, while declining tolerance can make a return to opioid use particularly dangerous. Treatment can reduce those risks through medication, behavioral therapy, appropriate clinical support, overdose prevention, and continuing care. A person may refuse treatment at first. Families facing that situation can use Harmony Ridge’s rehab for a loved one resources for more detailed guidance on what to do next.
If heroin or other opioid use has become difficult to control, withdrawal repeatedly leads back to use, or you are concerned about someone you love, contact Harmony Ridge Recovery Center to discuss heroin addiction treatment options in West Virginia.
Additional Resources
Agency for Healthcare Research and Quality. (2026). Medications for opioid use disorder playbook. https://integrationacademy.ahrq.gov/products/playbooks/moud-playbook
Centers for Disease Control and Prevention. (2024, April 2). What to do if you think someone is overdosing. https://www.cdc.gov/stop-overdose/response/index.html
Centers for Disease Control and Prevention. (2025, June 9). Heroin. https://www.cdc.gov/overdose-prevention/about/heroin.html
Garnett, M. F., & Miniño, A. M. (2026). Drug overdose deaths in the United States, 2023–2024. NCHS Data Brief, 549, 1–7. https://www.cdc.gov/nchs/products/databriefs/db549.htm
Substance Abuse and Mental Health Services Administration. (2026). Key substance use and mental health indicators in the United States: Results from the 2025 National Survey on Drug Use and Health. https://www.samhsa.gov/data/sites/default/files/reports/rpt57150/2025-nsduh-annual-national-report.pdf
What are the signs of heroin addiction?
Signs can include strong cravings, using more heroin than intended, repeated unsuccessful attempts to stop, secrecy, neglected responsibilities, financial or relationship problems, and continued use despite harm. Physical signs may include unusual drowsiness, heavy eyelids, slurred speech, constipation, sleep changes, or injection marks.
What are the symptoms of heroin withdrawal?
Heroin withdrawal can cause strong cravings, anxiety, restlessness, muscle and bone aches, nausea, vomiting, diarrhea, sweating, chills, sleep problems, low mood, and fatigue. Symptoms vary depending on how much and how often heroin was used, other opioids involved, and individual health.
How long does heroin withdrawal last?
There is no single timeline. Symptoms may begin within hours after the last use and often become more intense over the following days before gradually improving. Sleep problems, low mood, anxiety, fatigue, and cravings can continue after the strongest physical symptoms have passed.
Can you overdose on heroin?
Yes. Heroin overdose can dangerously slow or stop breathing and may lead to brain injury or death. Risk is higher when fentanyl is present, heroin is combined with alcohol or benzodiazepines, or someone returns to opioid use after their tolerance has decreased.
Does naloxone work on a heroin overdose?
Yes. Naloxone can reverse the opioid effects of heroin and restore breathing during an overdose. More than one dose may sometimes be needed, especially when fentanyl is involved. Call 911 immediately and stay with the person until emergency help arrives.
Is heroin still commonly mixed with fentanyl?
Yes. The illicit opioid supply has changed significantly, and products sold as heroin may contain illegally manufactured fentanyl. This makes potency harder to predict and increases overdose risk, even when someone does not knowingly intend to use fentanyl.
What medications are used to treat heroin addiction?
FDA-approved medications for opioid use disorder include buprenorphine, methadone, and naltrexone. They work in different ways to reduce cravings or withdrawal symptoms or block opioid effects. Medication may be used alongside therapy and continuing recovery support.
What is the most effective treatment for heroin addiction?
Treatment is usually most effective when it combines evidence-based medication for opioid use disorder with behavioral therapy, an appropriate level of care, overdose prevention, and continuing support. The exact treatment plan depends on the person’s opioid use, health, mental health, home environment, and recovery needs.
Our recovery specialists are standing by 24/7 to help you or your loved one.
Or call us: 