In Brazil, ketamine is used for people with resistant depression; how does it work?

Ketamine is a hospital anesthetic used for sedation in several countries, including Brazil, but it is also a new alternative for treating resistant depression. In Brazil, it was approved in November 2020 by Anvisa (National Health Inspectorate) as a drug for this type of mental disorder.

RIO DE JANEIRO, BRAZIL - Among people diagnosed with depression, some suffer from a form that is difficult to treat: resistant depression. In this case, the patient usually performs two types of treatments correctly and does not get better.

For example, the physiotherapist Cláudio Andrade de Oliveira (46) was diagnosed with the disease during the pandemic. He was already taking two medications in the morning and one in the evening. But as Covid-19 spread worldwide, his condition worsened, and the doctor made the diagnosis.

Claudio has suffered from mental disorders since his teenage years. By 18, he was taking . . .

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