Families often describe the same painful change. The person they love stops noticing what anyone else feels. Calls go unreturned, apologies stop landing, and small cruelties pile up. It can look like someone choosing not to care. The research tells a more complicated story, and a more hopeful one. Empathy and substance use are linked in the brain, the link runs in both directions, and the part most people don’t hear is that these deficits tend to improve in recovery.
What Does Research Say About Empathy and Addiction?
Empathy is the capacity to read and respond to what another person is feeling. It has two parts that researchers measure separately: cognitive empathy, the ability to understand someone else’s perspective, and affective empathy, the ability to share in their emotional state. Both matter for the day-to-day work of staying connected to other people.
A 2022 review in Pharmacology, Biochemistry and Behavior, The Intersection of Empathy and Addiction, found that people who use stimulants, those who use multiple substances, and those with alcohol use disorder all tend to show reduced empathy. The authors point to overlapping brain regions involved in both empathy and addiction, including the insula, a structure that helps us sense our own internal states and recognize them in others. So this isn’t a character flaw. It tracks with measurable changes in how the brain processes other people.
Does Addiction Cause a Loss of Empathy, or the Reverse?
The honest answer is that researchers are still working it out, and the link appears to run both ways. The same 2022 review describes a framework in which reduced empathy can be a consequence of ongoing substance use and, in some people, a precursor that comes before the addiction takes hold. Heavy use changes how the brain reads emotion, and a baseline difficulty reading emotion may make substance use more likely in the first place.
That two-way relationship matters for families. It explains why the warmth you remember can fade as use escalates, without meaning the person is gone. It also explains why empathy can return. When the underlying brain chemistry stabilizes, the capacity for connection often comes back with it.
Can Empathy Come Back in Recovery?
Yes, and the evidence on this is encouraging. A 2021 study in the Indian Journal of Psychiatry, on cognitive and affective empathy in men with alcohol dependence, found that people in abstinence scored higher on empathy measures than those still drinking. The longer the period of recovery, the closer empathy moved toward the range seen in people without alcohol problems. Other research on alcohol use disorder has reported similar recovery in emotional processing after a few months of sustained abstinence.
None of that happens automatically. Stopping substance use creates the conditions for empathy to recover, and structured clinical work helps rebuild the skills that addiction eroded. In treatment, people relearn how to listen for what others are actually feeling, how to make genuine amends, and how to stay present in emotionally hard moments instead of numbing them.
Why a Mental Health Lens Changes the Picture
Trouble feeling for other people rarely starts with the substance. Depression flattens emotion. Trauma teaches the nervous system to shut down as protection. Untreated anxiety, mood disorders, and personality disorders all interfere with the same machinery that empathy runs on. When someone uses alcohol or drugs to cope with one of these conditions, the substance compounds an emotional disconnect that was already there.
This is why treating the substance alone often falls short. At Destination Hope, care is psychiatrist-led and built around the whole person, with integrated dual diagnosis treatment for people whose mental health condition and substance use feed each other. The clinical team works at a Masters level and above, and the program treats the underlying condition with the same depth it gives the substance use, using evidence-based therapies like CBT and DBT to rebuild emotional regulation and connection. For someone whose primary struggle is addiction with co-occurring mental health symptoms, our addiction treatment program addresses both at once rather than in sequence.
What This Means If You Love Someone in the Cycle
If the person you remember seems to have stopped caring, the science offers a different reading. The capacity for empathy can dim under active substance use and co-occurring mental illness, and it can come back. Recovery isn’t only about stopping a substance. It’s the slow return of the person who can sit with your feelings again.
You don’t have to figure out the next step alone. Our admissions team can walk you through what care looks like and how to start. Reach out through our admissions page or call (954) 302-4269 to talk with someone who understands what you’re carrying.
Crisis and Emergency Resources
If you or someone you know is in a substance use or mental health crisis, help is available now. Contact the SAMHSA National Helpline at 1-800-662-HELP (4357) for free, confidential treatment referrals 24/7. Reach the 988 Suicide and Crisis Lifeline by calling or texting 988. The Crisis Text Line is available by texting HOME to 741741. For emergencies, call 911.
