Bromo-DragonFLY: Effects, Risks, and Dangers

Hailey Okamoto
Dr. David Miles
Written by Hailey Okamoto on 29 April 2026
Medically reviewed by Dr. David Miles on 06 May 2026

Bromo-DragonFLY is a research chemical with potent hallucinogenic effects similar to LSD but much longer-lasting. Bromo-DragonFLY is illegal in the U.S. but can be purchased online with fewer restrictions in other countries. In recent years, there have been a growing number of reports of overdoses and poisonings involving Bromo-DragonFLY, including some that have resulted in death.

Key takeaways:
  • Bromo-DragonFLY is a Novel Psychoactive Substance (NPS), or research chemical, with potent hallucinogenic effects that can last up to 3 days.
  • Bromo-DragonFLY can cause a number of serious adverse effects, including extreme agitation, acute psychosis, serotonin syndrome, and necrosis of tissue.
  • Because Bromo-DragonFLY is a newer drug, more research is needed to fully understand the short and long-term health risks.
Bromo-DragonFLY: Effects, Risks, and Dangers

What is Bromo-DragonFLY?

Bromo-DragonFLY is a Novel Psychoactive Substance or research chemical that has powerful hallucinogenic and amphetamine-like effects when ingested. The effects of Bromo-DragonFLY are reported to be similar to LSD and include hallucinations, delusions, euphoria, and agitation. The psychedelic effects of this drug are long-lasting and may persist for up to 72 hours.  

Several adverse effects have also been reported, and many of these are serious and life-threatening in nature. In recent years, a number of fatal overdoses related to the use of Bromo-DragonFLY have been reported in the U.S. and European countries. Because Bromo-DragonFLY does not show up in standard drug testing, the actual number of overdoses and accidental poisonings may be much higher.

Because Bromo-DragonFLY is classified as a research chemical, it is more difficult to regulate access to this drug. Many individuals around the world are able to purchase Bromo-DragonFLY online legally, although it is considered a Schedule 1 controlled drug in the United States. The lack of regulation of research chemicals also means that users are unable to verify the type, purity, and dose of the drug they are consuming. 

Origins of Bromo-DragonFLY

Bromo-DragonFLY was first synthesized in 1998 at Purdue University in order to study the effects of this type of drug on serotonin levels in the brain. At some point after this, labs in China began manufacturing and selling this drug online as a research chemical. Reports of recreational misuse began in the early 2000s and have persisted since.  

How Bromo-DragonFLY works

Bromo-DragonFLY is chemically similar to a class of drugs called phenethylamines, which are amphetamines that have stimulating effects. These drugs work to increase levels of norepinephrine, dopamine, and serotonin in the brain. 

While Bromo-DragonFLY shares some of these effects, it is actually classified as a benzodifuran. Bromo-DragonFLY is typically consumed as a liquid or on paper blotters, but there have also been reports that the drug is sometimes sold as a white powder.  

Benzodifurans are a class of drugs that have powerful stimulant and hallucinogenic effects. These drugs are known to have long-lasting effects that can persist for days, unlike other psychedelics, which have shorter half-lives of about 8-12 hours or less. Other hallucinogens in the benzodifuran class include the drug 2C-B-DRAGONFLY, which is also an NPS.  

Similar to other hallucinogenic drugs, Bromo-DragonFLY’s psychedelic effects are primarily believed to be caused by increased serotonin levels in the brain. The exact mechanisms of action are poorly understood, and more research is needed to determine the effects of this drug on the body, brain, and nervous system. 

Effects of Bromo-DragonFLY

Bromo-DragonFLY is a highly potent drug with long-lasting mind and mood-altering effects. Researchers report that this drug is 5 times less potent than LSD and 300 times stronger than mescaline. While individual responses vary, it is common for users to report hallucinations and delusions, as well as euphoric effects.

Timeline of effects

Bromo-DragonFLY has an unusual delay in the onset of effects. Researchers report that in some cases, the effects of the drug do not begin until 6 or 8 hours after consumption. Because of this delayed onset, some users may ingest more of the drug because they think it is not working, which greatly increases the risk of accidental poisoning and overdose.

The effects of Bromo-DragonFLY last much longer than other psychedelics. Users report that the hallucinogenic effects of this drug can persist for up to 3 days in some instances. These effects can include visual hallucinations, paranoid thinking, extreme agitation, and a distorted sense of time, space, and context. For many, the long-lasting psychedelic effects are psychologically disturbing and destabilizing, and some have even described them as ‘terrifying’.

Adverse effects and dangers of Bromo-DragonFLY

In addition to its desired psychedelic effects, Bromo-DragonFLY has been associated with a range of serious and potentially life-threatening adverse effects. Because it is a relatively new psychoactive substance (NPS), research on the drug remains limited, and much of the current understanding comes from overdose cases and emergency medical reports.

Reported adverse effects of Bromo-DragonFLY include:

One of the most concerning effects linked to Bromo-DragonFLY is severe vasoconstriction, which can reduce blood supply to the limbs and lead to tissue damage or necrosis in extreme cases. Overdose reports have also described seizures, acute psychosis, and cardiovascular complications requiring emergency medical treatment.

Because most available evidence comes from overdose and poisoning cases, the long-term effects and risks associated with lower doses remain poorly understood.

Long-term damage with Bromo-DragonFLY

The long-term health effects of Bromo-DragonFLY are unknown. There is not enough research to identify how this drug affects the body and brain when used long-term, or to determine whether short-term use can have lasting health consequences.  

Recognizing Bromo-DragonFLY overdose and toxicity

More research is needed to fully understand the effects of Bromo-DragonFLY, including the dosages that are likely to result in poisoning or overdose and early signs of toxicity. From existing research, the following signs and symptoms have been commonly reported after Bromo-DragonFLY overdose:

  • Extreme agitation.
  • Hallucinations and delusions.
  • Paranoia and anxiety.
  • Heart palpitations.
  • Insomnia.
  • Spasms or seizures.

Emergency response for Bromo-DragonFLY overdose

If you or a loved one has taken Bromo-DragonFLY and believes you may have overdosed, it is important to seek emergency medical attention. Disclose to medical professionals all information about what substances you consumed, how much, and the time you took them. This information will help ensure you receive the most appropriate treatment.

Because Bromo-DragonFLY is poorly studied, there is no standard treatment for overdose. In the research, supportive care is often reported and involves close medical monitoring and supervision. In addition, benzodiazepines are often used to calm symptoms of agitation and reduce the risk of seizures.

Bromo-DragonFLY is a research chemical that is often labeled as ‘not for human consumption’ in order to skirt laws and regulations restricting its sale. This drug is widely produced in China and sold online to individuals in different countries around the world, but is particularly popular in the U.S. and Europe. 

The laws and restrictions vary depending on the country or jurisdiction. In the U.S., Bromo-DragonFLY is not scheduled directly, but is treated and prosecuted as a Schedule 1 controlled substance due to its similarity to a listed Schedule 1 compound. This is the highest level of regulation that is reserved for drugs with no approved medical use and a high potential for abuse, addiction, and negative health effects.

Signs of misuse and when to seek treatment

There is not a lot of research on the misuse of Bromo-DragonFLY, and it is unclear whether this drug is commonly abused on a regular basis or whether it has addictive qualities. It’s likely that Bromo-DragonFLY is not a primary drug of choice, but is instead used in combination with other illicit substances as part of a larger polysubstance use pattern.

Here are some of the signs and symptoms that indicate someone is struggling with a substance use disorder:

  • Using a drug in higher doses or more often than intended.
  • Excessive time spent trying to obtain, use, or recover from the effects of a drug.
  • Unsuccessful attempts to cut back or stop using.
  • Strong urges or cravings to use a drug.
  • Neglecting basic responsibilities at work or home.
  • Using a drug in situations where it is risky or unsafe.
  • Giving up important social or recreational activities to use a drug more.
  • Negative impacts on important relationships.
  • Negative impacts on physical or mental health.
  • Developing a tolerance, needing to use more for the same effects.
  • Physical or psychological withdrawal symptoms when stopping or cutting back on use.

Treatment and recovery options

There are several treatment options available to those who struggle with an addiction or substance use disorder. Group, family, and individual therapy are often frontline treatments, and may be offered in inpatient, residential, or outpatient settings. In addition to therapy, some people benefit from certain medications that can help alleviate cravings or withdrawals, or treat an underlying mental health condition that contributes to the substance use problem.  

Long-term treatment is often indicated for individuals looking to overcome an addiction to drugs or alcohol, and can help to rebuild a stable foundation for lasting sobriety. Many individuals benefit from mutual help groups like 12-step programs or SMART Recovery, where they can draw support from others who are in recovery.  

If you are looking to begin your recovery journey, the best first step is often to schedule an appointment with a licensed addiction professional or addiction treatment center. The first appointment is generally reserved for a full substance abuse evaluation that can help to determine the best treatment option for your particular needs and circumstances. 

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Resources:

  1. Seger, D. (April 26, 2016). What is Bromo-DragonFLY? Vanderbilt University Medical Center.
  2. Noble, C., Holm, N. B., Mardal, M., & Linnet, K. (2018). Bromo-dragonfly, a psychoactive benzodifuran, is resistant to hepatic metabolism and potently inhibits monoamine oxidase A. Toxicology letters, 295, 397-407.
  3. Wood, D. M., Looker, J. J., Shaikh, L., Button, J., Puchnarewicz, M., Davies, S., ... & Dargan, P. I. (2009). Delayed onset of seizures and toxicity associated with recreational use of Bromo-dragonFLY. Journal of Medical Toxicology, 5(4), 226-229.
  4. American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.).
  5. Volkow, N. D., & Blanco, C. (2023). Substance use disorders: a comprehensive update of classification, epidemiology, neurobiology, clinical aspects, treatment and prevention. World Psychiatry, 22(2), 203-229.

Activity History - Last updated: 06 May 2026, Published date:


Reviewer

David is a seasoned Pharmacist, natural medicines expert, medical reviewer, and pastor. Earning his Doctorate from the Medical University of South Carolina, David received clinical training at several major hospital systems and has worked for various pharmacy chains over the years. His focus and passion has always been taking care of his patients by getting accurate information and thorough education to those who need it most. His motto: "Good Information = Good Outcomes".

Activity History - Medically Reviewed on 29 April 2026 and last checked on 06 May 2026

Medically reviewed by
Dr. David Miles

Dr. David Miles

PharmD

Reviewer

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