What Is Jenkem? Myths, Dangers, Health Risks & Help

   Oct. 18, 2025
   4 minute read
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If you’re asking what is jenkem, you’ve likely heard rumors about getting high from gases produced by fermented human waste. Whether some stories began as hoaxes or not, the jenkem dangers people talk about point to a real problem: inhaling toxic gases (or any inhalants) can damage the lungs and brain, cause sudden loss of consciousness, and in extreme cases be fatal. As Benjamin Franklin reminded us, “The first wealth is health.” Knowing what’s myth, what’s real, and how to get help can protect you or someone you love.

What Is Jenkem? Myths vs. Reality

“Jenkem” appeared in media reports years ago, often in sensational headlines. Some accounts were later questioned, but that doesn’t make the behavior safe—or even worth “experimenting” with. Inhalants remain one of the earliest substances some teens try, and emergency departments see thousands of inhalant-related visits each year. The mechanism of harm is the key: breathing toxic gases and concentrated vapors deprives the brain of oxygen and can trigger dangerous heart rhythms—no matter what name the trend uses online.

Behind Bars: Jenkem (“Jankem/Jenkum”) and the Inhalant Danger

Reports about “jenkem” sometimes surface in correctional settings, but verified cases are rare and often tied to rumor. What matters most is the underlying behavior: inhalant misuse in confined spaces is exceptionally dangerous. Poor ventilation can concentrate toxic gases, increasing the risk of sudden loss of consciousness, chemical injury to the lungs and eyes, and life-threatening complications. Incarcerated people also face higher rates of respiratory illness and limited access to immediate medical care—making any inhalant exposure even riskier.

If someone is struggling with substance use while locked up, there are safer, confidential pathways to help. Request medical evaluation for breathing problems or eye/throat irritation, ask about substance use counseling, and explore reentry plans that include treatment, housing, and support. For families on the outside, encourage your loved one to seek care through medical or mental health services in the facility and line up community treatment options for release.

Jenkem Dangers: Health Risks You Can’t Ignore

Sewage gas can contain hydrogen sulfide (H₂S), the “rotten egg” gas that irritates eyes and airways at low levels and can cause rapid unconsciousness and respiratory failure at high levels. Relying on smell is risky because your sense of smell can “fatigue,” giving a false sense of safety. Beyond H₂S, inhalant misuse of any kind can lead to sudden oxygen loss, confusion, blackouts, and sudden cardiac death. Short exposures may cause burning eyes, coughing, headache, and dizziness; heavier exposures can lead to pulmonary edema, seizures, coma, or death. None of this is a “safe alternative” to alcohol or other drugs—it’s a medical emergency waiting to happen.

Signs Someone May Be Experimenting & What to Do

Possible red flags

  • Strong sewage or chemical odors on clothing or in a backpack
  • Sudden headaches, dizziness, coughing, or red, watery eyes
  • Secretive behavior around bathrooms, drains, or outdoor waste areas
  • Online searches or social posts about “inhalant hacks” or “jenkem”

Emergency warning signs—call 911 now

  • Fainting, severe headache, chest pain, bluish lips/skin
  • Confusion, seizures, or trouble breathing

How to respond (non-emergency)

  • Choose a calm moment and describe what you’ve noticed without judgment.
  • Ask about stress, anxiety, or peer pressure—these often drive risky experiments.
  • Arrange a medical checkup to check lungs, oxygen levels, and eye/skin irritation, and to discuss safer coping tools.
  • Share accurate information about inhalant risks and set clear, caring boundaries at home or school.

Treatment & Recovery: Help That Works

If risky behaviors are appearing, help works—and earlier is easier. A solid plan can include:

  • Medical evaluation and stabilization to treat breathing problems, burns, dehydration, and anxiety.
  • Therapy with skills (CBT/DBT) to handle urges, stress, and peer pressure; motivational interviewing to strengthen personal reasons to change.
  • Family education so loved ones can set supportive boundaries and reduce triggers.
  • Levels of care to fit real life: outpatient counseling, intensive outpatient (IOP), partial hospitalization (PHP), or residential rehab when structure and safety are needed. Many programs are insurance-accepted and can verify benefits up front.
Looking for treatment, but don’t know where to start?
Take the first step and contact our treatment helpline today.
(866) 578-7471
Frequently Asked Questions
What is jenkem, exactly?
“Jenkem” is a rumor-term for getting high by inhaling gases from fermented human waste. Whether particular stories were hoaxes or not, the takeaway is the same: inhaling toxic gases (or any inhalants) can injure the lungs and brain and, in severe cases, be fatal.
Is jenkem real or just an internet myth?
Some widely shared accounts were later challenged, but that doesn’t make the behavior safe to try. The underlying issue—inhalant misuse—is real and dangerous. Toxic gases and oxygen deprivation can cause rapid loss of consciousness, heart rhythm problems, and long-term harm.
What health risks should I know about?
Sewer gases can contain irritants like hydrogen sulfide that burn eyes and airways at low levels and can cause collapse or respiratory failure at high levels. Inhalant misuse in general can trigger “sudden sniffing death,” brain injury from lack of oxygen, chemical burns, vomiting/aspiration, and dangerous confusion or seizures.
How can I tell if someone might be experimenting—and what do I do?
Red flags: strong sewage/chemical odors on clothing or in a backpack, sudden headaches or dizziness, watery/red eyes, coughing, secretive behavior near bathrooms or drains, or searching “inhalant hacks.” If there’s fainting, bluish lips/skin, chest pain, trouble breathing, confusion, or seizures, call 911 immediately.
What help is available if someone has tried this or is using inhalants?
Start with a medical checkup to assess breathing and possible chemical irritation. Evidence-based care can include counseling (CBT/DBT), family education, and levels of care that fit life (outpatient, IOP/PHP, or residential). Many programs are insurance-accepted; confidential help is available.
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