Browse medicines

Use listed on the medicine record

Nothing approved. Tested for depression that has not responded to other treatments, and for depression and anxiety in people with cancer

Use listed on the medicine record

In the UK, severe pain after surgery, during a heart attack, in terminal illness, and breathlessness in acute heart failure. In the US, nothing — it is in the schedule reserved for drugs with no accepted medical use

Use listed on the medicine record

Nothing approved. Two completed phase 3 trials tested it, with therapy, for post-traumatic stress disorder; the FDA turned the application down and asked for another trial

Use listed on the medicine record

Tanning without sun — unlicensed everywhere, with no approved use

Use listed on the medicine record

Nothing, legally, in the United States — it is a Schedule I drug. It is being tested in late-stage trials for generalised anxiety disorder

Use listed on the medicine record

Nothing. It is a Schedule I phenethylamine that has just become the subject of controlled brain-imaging research because its effects differ from psilocybin's in ways researchers want to understand

Use listed on the medicine record

Nothing approved. A synthetic inhaled version is in trials for depression that has not responded to other drugs; the substance itself is Schedule I

Use listed on the medicine record

Nothing approved. People travel to clinics outside the United States to take it for opioid withdrawal, and the published observational studies of those clinics are the entire clinical evidence base

Use listed on the medicine record

Nothing. These are laboratory research chemicals sprayed onto plant matter and sold as incense, and the compounds in them change faster than the law can list them

Use listed on the medicine record

Nothing. It is the molecule that psilocybin turns into in the body, and it is the one that does the work — every psilocybin trial result on this site is really a psilocin result

Use listed on the medicine record

A horse steroid used by people — no human approval anywhere

Use listed on the medicine record

Nothing approved. A single randomised trial of ayahuasca in 29 people with depression that had not responded to other treatments

Use listed on the medicine record

Nothing. These are 1950s analgesic candidates that were never developed, resurfacing sixty years later in the illicit drug supply because they are easy to make and are not on the lists

Use listed on the medicine record

Nothing approved as a plant. Used under state medical-cannabis programmes for chronic pain, chemotherapy nausea and multiple sclerosis spasticity, where the trial evidence is for isolated or standardised cannabinoids rather than for smoked flower

Use listed on the medicine record

A horse asthma drug in the United States, taken by people for fat loss

Use listed on the medicine record

Nothing approved. It is a legal-in-most-states intoxicant made by chemically converting CBD, and children under six accounted for 30.1% of the poison-centre cases

Use listed on the medicine record

Nothing. Mescaline is the only classic psychedelic in this group with no modern randomised trial at all

Use listed on the medicine record

Nothing. It was an anaesthetic that worked but left patients delirious for hours afterwards, and it became the drug that taught psychiatry what schizophrenia might be a disorder of

Use listed on the medicine record

None in people. It is a cattle growth implant and a controlled substance

Use listed on the medicine record

Nothing. It was sold legally across the UK for about eighteen months, banned in 2010, and is now the best-studied of the synthetic cathinones

Use listed on the medicine record

Nothing. It is a research tool that became a recreational drug, and in the United States its legal status depends entirely on which state you are standing in