
Author & Editor: Adam Tomlinson
Clinically Reviewed by: Charee Marquez, LMFT
Clinical Contributor: Karynne Witkin, M.A. I/O Psychology
If you’ve ever wondered “what is the krokodil drug?”, it’s a substance surrounded by shocking stories and devastating consequences. Nicknamed the “zombie drug,” krokodil is a homemade opioid that first appeared in Russia and quickly spread because of its cheap, short-lived high. Made from codeine medications mixed with toxic household chemicals like paint thinner and lighter fluid, the drug’s unpredictable composition makes it one of the most dangerous substances on the streets today.
This article provides a comprehensive overview of the history, health risks, and social factors related to krokodil use, offering an in-depth look at the drug’s emergence, effects, and the societal challenges faced by users.
While krokodil may mimic the effects of stronger opioids, its real legacy is the severe damage it causes — from skin necrosis and tissue destruction to life-threatening organ toxicity. Understanding how this drug is made and why it’s so harmful is the first step in raising awareness and protecting those at risk.
What is Krokodil Drug (Zombie Drug)?
Krokodil, notorious as a homemade, low-cost, cost-effective alternative to heroin, is crafted from codeine, a readily accessible ingredient found in over-the-counter medications. It is a mixture of codeine and various toxic chemicals, including solvents and acids. Despite its affordability, the production process involves the use of an array of toxic and corrosive chemicals, presenting an alarming threat to both physical and mental well-being. The final product is often a suspension that is injected. Krokodil is commonly used as an injection drug and is most often administered intravenously. It is often purchased from street dealers or illicit sources. The rise of home production of Krokodil has been linked to the availability of codeine and the decrease in imported heroin. Diagnosis of krokodil use is often based on patient history and clinical presentation, as laboratory confirmation is rarely available in acute settings. However, when laboratory analysis is performed, a total of 42 morphinans have been detected within krokodil samples, and the desomorphine content in these samples may range from trace amounts to as high as 75%.
Desomorphine, the active ingredient in Krokodil, is a synthetic opioid derived from codeine and is more potent than morphine.
Nicknames for Krokodil (Desomorphine) Include:
Crocodile
Russian Magic
Zombie Drug
Poor Man’s Heroin
Krok
Croc
Cheornaya (Russian slang for “black”)
These names often reference the drug’s origin, appearance, or the severe tissue damage it causes.
Types of Krokodil
Krokodil (desomorphine) is a dangerous synthetic opioid, notorious for its toxic impurities and severe health risks. Variations arise from how it is manufactured and the chemicals used:
Classic Krokodil: Made from codeine mixed with iodine, gasoline, hydrochloric acid, and red phosphorous. Injection causes tissue necrosis, infections, and gangrene.
Improvised Krokodil: Similar to classic but with varying toxic ingredients depending on availability, leading to unpredictable harm.
Street Variants: Produced in illicit labs with poor quality control, resulting in highly toxic and inconsistent batches.
Synthetic Analogues: Related opioids created through makeshift methods, not chemically identical to desomorphine but equally dangerous.
Geographical Variations: Reported in Russia, Ukraine, Georgia, and Europe, where local precursor chemicals shape potency and toxicity. Cases of krokodil-induced osteonecrosis have been documented in Europe.
Regardless of type, all forms of krokodil carry extreme risks, including skin ulcerations, infections, gangrene, and fatal complications.
Krokodil Onset and Duration
Desomorphine acts as a potent mu-opioid receptor agonist with a rapid onset and short half-life, fueling its high addiction potential. Its pharmacological action is characterized by a rapid onset and short duration compared to other opioids.
Onset of Effects:
Intravenous: Effects felt within minutes, producing intense euphoria and pain relief almost immediately.
Other Routes: Oral, snorted, or smoked use delays onset as the drug is absorbed more slowly.
Duration of Effects:
Euphoria and analgesia last only 1–2 hours, far shorter than morphine.
Residual sedation, cognitive impairment, and other effects may linger for several hours to days depending on dose and metabolism.
This rapid, short-lived high combined with toxic impurities makes krokodil extremely addictive and devastating to health.
How Does Krokodil Work in the Brain and Body?
Krokodil (desomorphine) works similarly to other opioids but is far more toxic due to its impure, homemade production.
Origin and History of Krokodil in Eastern Europe
Krokodil first emerged in Russia during the early 2000s period and quickly spread to other parts of the world. The term Krokodil was initially seen as a desperate alternative for heroin users who couldn’t afford or access the expensive drug. The number of Krokodil users reported in Russia and neighboring countries increased significantly during this period, highlighting the rapid spread and impact of the drug. Cases of Krokodil use and related injuries have also been reported in Germany, reflecting its international spread. The homemade nature of Krokodil’s production reportedly allowed for easy and widespread distribution.
Spread of Krokodil Substance Abuse
Over time, the abuse of Krokodil has reached epidemic proportions in some regions, breaking worse with severe health issues and even death for those ensnared in its grip. A rapid increase in krokodil use has been observed in certain areas, contributing significantly to the ongoing epidemic.
Legal Status of the Illegal Drug Krokodil
Krokodil is an illegal and illicit drug with no recognized medical or pharmaceutical use. The production and use of Krokodil typically involve the illegal synthesis of desomorphine, a powerful opioid, using various toxic and corrosive chemicals. Due to the dangerous and harmful nature of Krokodil, it is not regulated or approved for any medical or therapeutic purposes.
What is Krokodil Made Of?
Desomorphine: The Active Ingredient
The “cooking” process of Krokodil involves mixing codeine with easily accessible chemicals such as gasoline, paint thinner, hydrochloric acid, and red phosphorus. Desomorphine, the main active ingredient in Krokodil, is highly potent and leads to severe health consequences, including extensive tissue damage and addiction. During its synthesis, Krokodil is often contaminated with toxic byproducts, which can include additional harmful chemicals. The resulting substance is injected into the bloodstream, leading to a rapid and intense high.
Manufacturing Process
The “cooking” process of Krokodil involves mixing codeine with easily accessible chemicals such as gasoline, paint thinner, hydrochloric acid, and red phosphorus. During its synthesis, Krokodil is often contaminated with other substances, which can include additional harmful chemicals. The resulting substance is injected into the bloodstream, leading to a rapid and intense high.
Dangerous Chemicals Used: Paint Thinner
The inclusion of toxic chemicals in Krokodil’s production causes extensive damage to the body, leading to the infamous gangrenous wounds and decay of the flesh.
Side Effects and Risks of Krokodil
Short-Term Side Effects of Krokodil:
Intense Euphoria: Users may experience a powerful and short-lived euphoria, similar to other opioid drugs.
Analgesia (Pain Relief): Krokodil, like other opioids, may induce a temporary numbing effect, providing short-term pain relief.
Sedation: Users may experience a state of extreme sedation or drowsiness.
Nausea and Vomiting: Gastrointestinal distress, including nausea and vomiting, is common.
Constricted Pupils: Opioids typically cause pupils to constrict (pinpoint pupils).
Respiratory Depression: Krokodil can suppress respiratory function, leading to slowed or shallow breathing. This is a potentially life-threatening short-term effect.
Itching and Skin Irritation: Users may experience intense itching, and skin at the injection site may become irritated.
Psychological Effects: Users may also experience cognitive and emotional effects, such as confusion, hallucinations, or altered consciousness.
Frequently reported complications and health issues arising from Krokodil use include osteonecrosis of the maxillofacial bones, abscess formation, and skin sloughing. Existing reports detail the dermatologic sequelae, including swelling, discolored skin, and large necrotic ulcerations linked to the drug’s potent effects and the toxic nature of its additives. Additionally, case reports have documented rare and severe complications in Krokodil users, such as osteonecrosis and necrotic ulcers.
During surgical treatment for jaw osteonecrosis caused by Krokodil use, it is crucial to preserve healthy tissues. This involves resecting necrotic bone extending 0.5 cm beyond the visible borders of osteonecrosis to ensure the removal of all affected areas and to minimize the rate of disease recurrences. Disease progression can be rapid, with some patients requiring medical intervention within days of initial tissue injury. In severe cases, patients have been admitted to hospitals for urgent treatment of severe infections and tissue damage.
Long-Term Side Effects and Complications of Krokodil:
Tissue Damage and Gangrene: One of the most severe long-term effects is the destruction of skin and soft tissues, leading to gangrene. This is often visible in the form of scaly, greenish lesions, giving Krokodil its notorious appearance. In extreme cases of tissue necrosis, amputation of affected limbs may be the only viable treatment.
Infections: The unsanitary conditions of Krokodil production and injection increase the risk of severe infections, which can lead to systemic complications.
Organ Damage: Prolonged use of Krokodil may cause damage to internal organs, including the liver, kidneys, and cardiovascular system.
Bone and Muscle Damage: Krokodil has been associated with bone and muscle damage, contributing to the overall deterioration of health.
Addiction: Like other opioids, long-term use of Krokodil can lead to physical and psychological dependence, with users experiencing intense cravings and compulsive drug-seeking behavior.
Psychiatric Effects: Users may develop mental health issues, including anxiety, depression, and cognitive impairment.
Shortened Lifespan: The combination of severe health complications, infections, and the highly toxic nature of the substances used in Krokodil production can significantly shorten the lifespan of individuals using this drug.
Krokodil drug has a higher addictive potential than many other substances.
Is Krokodil Deadly?
Yes, krokodil, also known as desomorphine, is highly deadly. It is infamous for its severe and potentially life-threatening health consequences, earning it the reputation of being one of the most dangerous recreational drugs.
Is Krokodil Addictive?
Yes, krokodil is highly addictive. Krokodil, also known as desomorphine, is a synthetic opioid drug that acts on the brain’s opioid receptors, producing intense feelings of euphoria, relaxation, and pain relief. These pleasurable effects can lead to repeated use and the development of addiction over time.
Like other opioids, krokodil can cause physical dependence and tolerance with regular use. Physical dependence occurs when the body adapts to the presence of the drug and requires it to function normally. As a result, individuals who become dependent on krokodil may experience withdrawal symptoms when they stop using the drug or reduce their dosage. Withdrawal symptoms associated with krokodil can be severe.
Can You Overdose on Krokodil?
Yes, it is possible to overdose on krokodil. Krokodil, also known as desomorphine, is a potent opioid drug that can have profound effects on the central nervous system, including respiratory depression, sedation, and coma. An overdose occurs when someone takes more krokodil than their body can metabolize or tolerate, leading to toxic effects and potentially life-threatening complications.
Dangers and Health Risks
Tissue Damage and Necrosis
One of the most horrifying effects of Krokodil is the severe tissue damage it causes at injection sites, leading to necrosis and rotting of the flesh.
Krokodil use can also lead to significant damage within the oral cavity, including mucosal erosion and irritation.
Risk of Soft Tissue Infections and Blood-borne Diseases in Krokodil Users
Krokodil users face a heightened risk of infections due to the unsterile environment in which the drug is produced and the use of shared needles, often leading them to seek urgent care in the emergency department.
Psychological Impact
Aside from physical harm, Krokodil abuse takes a severe toll on mental health, leading to depression, anxiety, and cognitive impairments.
Treatment Options for Krokodil Addiction
Treating individuals who abuse Krokodil or other opioids involves a comprehensive approach that addresses both the physical and psychological aspects of addiction. Due to the severe health consequences associated with Krokodil abuse, seeking professional help is crucial. Providing surgical treatment for jaw osteonecrosis in drug addicted patients who use Krokodil presents significant challenges, including the necessity of ceasing drug use before and after surgical interventions to minimize recurrence rates.
People who inject drugs (PWIDs) often face significant barriers when seeking medical treatment for complications arising from Krokodil use, including discrimination and refusal of treatment, which underscores the stigma and challenges they encounter.
Here are potential treatment options:
In cases of severe opioid addiction, including Krokodil abuse, a medically supervised detoxification may be necessary. This involves managing withdrawal symptoms and ensuring the safety of the individual as their body adjusts to the absence of the drug. Poison control centers can provide crucial information and support in these cases. Additionally, poison control centers receive inquiries about Krokodil use and reports of its usage in different states within the U.S.
Inpatient or residential rehabilitation programs provide a structured and supportive environment for individuals recovering from substance abuse. These programs typically include a combination of medical, therapeutic, and counseling services.
Medication-Assisted Treatment (MAT):
MAT involves the use of medications, such as buprenorphine or methadone, to help reduce cravings and withdrawal symptoms. Naltrexone may also be used to prevent relapse.
Various forms of behavioral therapy, such as Cognitive-Behavioral Therapy (CBT), contingency management, and motivational enhancement therapy, can be effective in addressing the psychological aspects of addiction. Therapy helps individuals identify and change patterns of thinking and behavior associated with substance use.
Individual Counseling:
Individual counseling sessions with a trained therapist or counselor provide a personalized approach to address the underlying issues contributing to substance abuse.
Group therapy sessions provide a supportive environment where individuals can share their experiences, receive feedback, and learn from others facing similar challenges.
Involving family members in the treatment process can help address family dynamics, improve communication, and provide a supportive network for the individual in recovery.
Participating in support groups, such as Narcotics Anonymous (NA) or SMART Recovery, offers individuals the opportunity to connect with peers in recovery, share experiences, and receive ongoing support.
For individuals with co-occurring mental health disorders, dual diagnosis treatment addresses both substance abuse and mental health issues simultaneously.
Aftercare and Relapse Prevention:
After completing formal treatment, individuals benefit from aftercare programs that provide ongoing support, counseling, and resources to help prevent relapse.
Ensuring security measures are in place is essential for safe access to treatment and support services for individuals recovering from Krokodil addiction. A thorough security review must be completed before proceeding with any actions to ensure the safety and confidentiality of the users.
Learn More About Treatment Types and Services in Our Guides →
Does Insurance Cover Krokodil Addiction Treatment?
Typically, yes. The coverage of addiction treatment by insurance can vary depending on the type of insurance plan, specific policy details, and the individual’s needs and circumstances.
Conclusion
Krokodil is an extremely dangerous and highly addictive drug associated with severe physical and psychological harm. Made from toxic chemicals, its use can lead to skin necrosis, serious infections, organ damage, and other life-threatening complications. Because of its high addiction potential and devastating health effects, individuals struggling with Krokodil use often require comprehensive addiction treatment and medical care. Early intervention and professional support can play an important role in improving outcomes and preventing further harm.
Seeking Treatment? We Can Help!
At California Prime Recovery, as an in-network provider we work with most insurance plans, such as:
- Tricare
- Blue Shield
- Magellan Health
- First Health Network
- The Holman Group
- Cigna
- Anthem BCBS
- Aetna
- Humana
- TriWest
- Halcyon
- HMC Healthworks
- Molina
- UnitedHealthcare
- Optum
- UMR
- And More
If you or a loved one are struggling with mental health challenges or substance abuse, reach out to California Prime Recovery today. Our team of compassionate professionals is here to support your journey towards lasting well-being. Give us a call at 866-208-2390.
Also, check out our blogs posted weekly on Medium.
FAQS
Is Krokodil really as dangerous as they say?
Absolutely. Krokodil is an extremely harmful drug with devastating health effects.
Can Krokodil addiction be treated successfully?
Yes, with the right treatment and support, recovery from Krokodil addiction is possible.
What sets California Prime Recovery apart from other addiction treatment centers?
Our holistic approach, personalized treatment plans, and caring environment make us stand out.
How long does Krokodil withdrawal last?
Withdrawal duration varies, but medical detoxification can help manage the process.
Can family members participate in the recovery process?
Yes, involving family members in the recovery journey can be beneficial and encouraging for the individual.