Zombie drugs are substances that cause zombie-like effects in users. These effects include extreme sedation, unresponsiveness, and severe physical deterioration. The term also can refer to xylazine, a veterinary sedative nicknamed “tranq.” However, it can also describe the effects of synthetic cathinones (also known as bath salts) and the highly addictive fentanyl.
These substances have the potential to cause real physical damage, much more so than most typical drug use. Depending on the person, experiencing pain may be diminished while high on the drug (thus increasing the risk of injury and unknowingly harming oneself). Users may develop severe skin lesions and tissue necrosis anywhere on the body, not just at injection sites. These wounds often require amputation in severe cases, contributing to the “zombie” label.
At Kora Behavioral Health in Lancaster, Pennsylvania, we see how these substances devastate families. Recognizing drug use early can save lives. People can recover with medical supervision and evidence-based care, including fentanyl addiction treatment that addresses both physical dependence and the underlying causes of substance use. Our team provides evidence-based treatment addressing both physical damage and underlying addiction.
What Drugs Produce Zombie-Like Effects?
Several substances cause zombie-like symptoms. The three main substances that fall under this name are xylazine, synthetic cathinones (bath salts and specifically flakka), and fentanyl. Each of these substances produces distinct effects, though all can result in severe impairment and life-threatening complications.
Xylazine is a veterinary sedative approved only for animal use. But it can appear in the illicit drug supply mixed with illegal opioids. Xylazine causes heavy sedation that immobilizes people for hours. Users often slump in trance-like states, completely unresponsive. According to the CDC, xylazine-involved overdose deaths jumped from 102 in 2018 to 3,468 in 2021.
In 2022, DEA seizures found xylazine in 23% of fentanyl powder and 7% of fentanyl pills across 48 states. The White House labeled xylazine-fentanyl combinations an “emerging threat” in 2023.
Synthetic cathinones, commonly referred to as bath salts, are man-made stimulants chemically similar to amphetamines. These aren’t related to actual bathing products. Synthetic cathinones are produced in unregulated labs and sold as powders, crystals, or tablets. Manufacturers may label them as “plant food” or “research chemicals” to avoid legal restrictions.
Unlike xylazine, bath salts and flakka work as stimulants. They create extreme agitation and erratic movements. Users may experience intense paranoia, hallucinations, and violent outbursts disconnecting them from reality.
Common effects of using bath salts include:
- Hyperthermia: Dangerous increase in body temperature
- Paranoia: Intense fear and suspicion
- Hallucinations: Seeing or hearing things not present
- Aggressive behavior: Violent or unpredictable actions
The National Institute on Drug Abuse states synthetic cathinones cause severe complications. These include rapid heart rate, high blood pressure, and kidney failure.
Flakka (alpha-PVP), also known as gravel, is a specific synthetic cathinone known for powerful stimulant effects. Flakka became notorious after incidents of people becoming violent while allegedly high on flakka emerged in the 2010s. This did not end up being true in all cases, but it solidified flakka’s reputation as a particularly dangerous form of bath salts.
Psychological effects of using flakka include extreme agitation, paranoia, hallucinations, and violent behavior. People sometimes display bizarre movements and appear disconnected from reality, contributing to the “zombie” comparison.
Fentanyl is a synthetic opioid roughly 100 times more potent than morphine. In medical contexts, it’s prescribed to handle severe pain (such as for cancer treatment or childbirth). Used illicitly, the drug creates zombie-like effects through extreme sedation. There is an increased risk of respiratory depression, where breathing becomes dangerously slow or stops altogether.
Fentanyl’s high potency means that tiny amounts can kill. People are in danger of taking fentanyl unknowingly when it’s mixed into heroin, cocaine, or counterfeit pills. The CDC reports fentanyl is a leading cause of drug overdose deaths in the United States.
Stimulant vs. Sedative “Zombie Drugs”
Sedative zombie drugs, like xylazine and fentanyl, may cause immobility and slowed vital functions. Stimulant zombie drugs can produce hyperactivity and rapid movements. Substances in both categories can earn the “zombie” label because users lose connection to their surroundings.
Treatment approaches for these substances can differ significantly. Sedative overdoses require respiratory support and wound monitoring. Stimulant emergencies need cooling measures, sedation for agitation, and cardiovascular monitoring. This also doesn’t take into account the long-term healing that may be necessary after regular use of zombie drugs.
Why are “Fentanyl Zombies” Increasing?
Fentanyl has the potential to appear in heroin, cocaine, and counterfeit pills, often without any disclosure to the person purchasing the drug. It’s high potency can make it economically attractive to manufacturers looking to stretch their supply, despite the increased danger to users. Synthetic opioids were involved in nearly 70% of overdose deaths in 2021.
Addiction can affect anyone, regardless of their income or social status. However, stories about “fentanyl zombies” can frequently feature people who are experiencing homelessness. They may be visibly intoxicated in public spaces, sometimes displaying the notorious “fentanyl fold.” This can give the impression that zombie drugs have become more prolific, when in reality the people using zombie drugs are just more likely to be using them in public spaces.
Signs of Drug Addiction
Many substances have distinct signifiers of addiction, but many can emerge regardless of the substance. Recognizing addiction signs early can help prevent severe health consequences. Understanding warning signs can also help families seek treatment before situations become life-threatening.
- Tolerance: Requiring larger amounts to feel the same effects
- Withdrawal symptoms: Physical discomfort when not using substances
- Loss of control: Using more of the addictive substance than originally intended
- Neglecting responsibilities: Choosing to use substances above obligations at work, school, or home
- Social isolation: Withdrawing from friends and family, especially if they don’t use addictive substances
- Extreme drowsiness or stupor: Hours-long physical sedation
- Skin lesions or wounds: Non-healing sores and/or tissue necrosis (depending on the substance)
- Poor hygiene: Neglect of basic self-care, which may include weight loss
- Slowed vital signs: Depressed breathing and heart rate
- Mood swings: Increased irritability or depression between uses
- Secretive behavior: Hiding drug use or lying about rate of drug use
- Loss of interest: No longer participating in hobbies or social events
- Risk-taking: Engaging in dangerous activities to obtain or while using substances
These behavioral changes are a signal that professional addiction treatment is needed. Seeking help immediately can prevent further harm.
Where to Find Support for Zombie Drug Addiction
Kora Behavioral Health provides comprehensive programs for individuals struggling with “zombie” drug addiction in Pennsylvania, in addition to other substances. The clinical team uses proven therapies and a whole-person approach. Partial hospitalization programs (PHPs) and intensive outpatient programs (IOPs) can help provide treatment to people with work and/or other life obligations. Dual diagnosis treatment is available to support people with mental health conditions.
It’s not a sign of weakness to seek out support for drug addiction. It’s an act of courage and responsibility to take care of your mental and physical health. If you or someone you care about is struggling with drug addiction, contact Kora Behavioral Health today. Our team is ready to provide the support you need.
Frequently Asked Questions about zombie drugs
Zombie drug effects typically last several hours to over a day, although this can differ by substance and the personal health of the person using the drug. Duration also depends on dose and whether other substances were mixed in.
Zombie drugs can be highly addictive, particularly if they involve fentanyl. Fentanyl is 100 times stronger than morphine and creates intense physical dependence quickly. The combination can create physical dependence that can be difficult to break without professional help.
The first step is to call 911 if someone appears unresponsive or has slow breathing. Stay with the person and administer naloxone if available, as it can help with the opioid component if they have consumed fentanyl (or another opioid).
