2C-B (4-Bromo-2,5-dimethoxyphenethylamine) is a psychedelic drug, which means it can affect all the senses, altering a person’s thinking, sense of time and emotions. Psychedelics can cause a person to hallucinate, seeing or hearing things that do not exist or are distorted.1
2C-B is part of the ‘2C’ group of drugs, which is a general name for phenethylamines.2
The ‘2C’ group of drugs are psychedelic but can also cause stimulant effects. Drugs from this group include 2C-C, 2C-P, 2C-E and 2C-I. The effects vary among each drug in this group.2
What does 2C-B look like?
According to anecdotal user reports, 2C-B usually comes as a white powder or crystal and is sometimes pressed into a tablet similar to MDMA.3
Other names
Nexus, BDMPEA, Venus, Bees
How is 2C-B used?
2C-B is usually taken via the mouth (orally). 2C-B can be snorted, but anecdotal reports suggest this method of use can be very painful.4
Effects of 2C-B
Use of any drug can have risks. It’s important to be careful when taking any type of drug.
Psychedelics affect everyone differently, based on:
- size, weight and health
- whether the person is used to taking it
- whether other drugs are taken around the same time
- the amount taken
- the strength of the drug (varies from batch to batch)
- environment (where the drug is taken).
2C-B affects everyone differently, but effects may include:
- dry mouth
- increased blood pressure and heart rate
- nausea and vomiting
- dizziness
- drowsiness
- confidence
- euphoria
- feelings of well-being
- anxiety and panic
- change in perception
- hearing sounds
- confusion
- sexual arousal
- hallucinations
- insomnia.2, 4
The effects of 2C-B typically last from four to eight hours. There have been anecdotal reports it can last for up to 12 hours.3
Impact of mood and environment
Drugs that affect a person’s mental state (psychoactive drugs) can also have varied effects depending on a person’s mood (often called the ‘set’) or the environment they’re in (the ‘setting’).
Set is a person’s state of mind, previous encounters with psychedelic drugs, and expectations of what’s going to happen. For example, feelings of stress or anxiety before using 2C-B may result in an unpleasant experience (bad trip).5
Setting is the environment in which someone consumes 2C-B – whether it’s known and familiar, who they’re with, if they’re indoors or outdoors, the type of music and light. For example, using 2C-B in a calm, quiet and relaxed environment could lead or contribute to a pleasant experience but being in a noisy, crowded place may result in a negative experience.5
Being in a good state of mind, with trusted friends and a safe environment before taking 2C-B reduces the risk of having a ‘bad’ trip.
Overdose
There have been no reported deaths from 2C-B, but deaths have occurred from the use of other 2C drugs.2
Coming down
According to anecdotal user reports, the after-effects or comedown of taking 2C-B can last for around 2-4 hours.3
Long-term effects
To our best knowledge, there have been no scientific studies into the long-term effects of 2C-B use.
2C-B and mental health
People with a family history of mental illness are more likely to experience anxiety or paranoia after using 2C-B. This is consistent with what the evidence tells us about people with mental illness and psychedelic use.








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