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Ketamine Overdose

If you receive too much ketamine (Ketalar), the effects may include mental changes, vision problems, seizures, and other problems. Because some of these problems may be life-threatening, it is important to seek immediate medical attention if you or someone else may have taken an overdose. Treatment will consist of supportive care, which includes treating any symptoms that occur as a result of the overdose.

Can You Receive Too Much Ketamine?

Ketamine hydrochloride (Ketalar®) is an injectable prescription medication used to induce anesthesia before surgery or other medical procedures. As with most medications, it is possible to take too much ketamine.
When administered in a healthcare setting, under the supervision of trained healthcare providers, an overdose of this medicine is not expected to be extremely dangerous. However, ketamine is a drug of abuse. When used illicitly, an overdose of this medication could be potentially fatal.
The specific effects of an overdose can vary, depending on a number of factors, including the ketamine dosage and whether it was taken with any other medications or substances.

Symptoms of an Overdose

Symptoms that may occur from a ketamine overdose include but are not limited to:
  • Sedation
  • Slowed breathing
  • Mental changes, such as:
    • Flashbacks
    • Hallucinations
    • Anxiety
    • Insomnia
    • Confusion
    • Dissociation (feeling detached from oneself or the environment)
  • Difficulty walking
  • Increased heart rate
  • A rapidly or forcefully beating heart
  • High blood pressure (hypertension)
  • Slurred speech
  • Blurred vision
  • Chest pain
  • Vomiting
  • Memory loss
  • Seizures
  • Respiratory arrest (stopped breathing).
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