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Ketamine is most often used in veterinary medicine. It can be used in humans before, during and after surgery to relieve postoperative pain. The drug has also been used for intensive care management of prolonged epileptic seizures.
Ketamine is a white/transparent when pure, and often sold as a powder of tiny crystals. It is often crushed into a fine powder so it can be snorted up the nose. Occasionally the powder can be other colours, such as off-white or brown.etamine (ketamine hydrochloride) is a sedative drug, which can produce hallucinations. Ketamine was developed in the 1960s for use as a medical anaesthetic. It is a useful drug particularly for anaesthetising children and animals. It wasnât long after its invention when it began to be used recreationally.