Some short-term neuro-biological side effects of ketamine may include:
Elevated blood pressure and increased heart rate
Nausea, occasionally with vomiting
Drowsiness
Disorientation and confusion
Headache
Some potential long-term physiological side effects of ketamine use include:
Kidney injury or damage
Trouble or pain with urinating
Substance dependence and tolerance
Baseline increase in heart rate
Baseline increase in blood pressure
Respiratory depression
Possibility of seizures
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