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Short Term Effects of Ketamine

Ketamine is a dissociative hallucinogen that can cause an array of short term effects on the user. Most of the time, the effects of Ketamine are merely psychological in scope ranging from disorientation and hallucinations to out-of body experiences but there are a number of physical effects that may also be experienced with use of this powerful, sedating drug.


Short Term Effects of Ketamine

Ketamine can cause intense anxiety and paranoia.

Because Ketamine is a hallucinogenic drug, it has the ability to produce powerful hallucinations that are both visual and polysensual. According to the National Highway Traffic Safety Administration, Ketamine can produce hallucinogenic effects for up to 24 hours after the drug is smoked, snorted or injected.


Motor function and cognitive function are both impaired from the use of Ketamine. According to a study published in the Journal of Anesthesiology, Ketamine can cause relaxing effects that make it a unique sedative, analgesic and anesthetic drug. Impairment that occurs from ketamine use can lead to injury, delusions, anxiety, lack of coordination and even death.

Out-of-Body Experiences

People who take Ketamine often report feeling as if they are not inside their own body, it’s like they are looking in upon themselves from an outsider’s stance. These out-of-body experiences are what makes Ketamine a dissociative drug meaning that people who take it will experience short term effects that resemble being unassociated with themselves.


Ketamine produces intense sedation that often is responsible for causing the user to feel relaxed, dreamy or otherwise sedated. People who take this drug are generally uncommunicated while they are under the influence and may require an extended period of time to adjust back to a state in which they are no longer sleepy, confused or otherwise sedated after they stop taking the drug.

Ketamine Short Term Effects

Slurred Speech

Much like impairment affects the limbs and thought processes, people that take Ketamine will often have major speech impairment as well. Slurred speech, oftentimes so severe that the user cannot be understood, is very common in people who take Ketamine. This short term effect of Ketamine usually only lasts a few hours at most but can linger on with continued dosing or repeat use of the drug.


Anxiety, paranoia and other serious side effects may arise when taking Ketamine. Agitation and delirium as well as a state of psychosis are possible when this drug is used. Paranoia, though not generally deadly, can lead the use to act irrationally and to do things that they otherwise may not do which can lead to serious consequences in some situations.

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