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Ketamine-categorized as a “dissociative anesthetic

Ketamine is a type of medication used to induce loss of consciousness (anesthesia), produce relaxation More

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Description

Ketamine is a type of medication used to induce loss of consciousness (anesthesia), produce relaxation

Generic Name

Ketamine-categorized as a “dissociative anesthetic

Chemical names

Ketamine; Ketaject; Ketalar; Dl-Ketamine; Ketanest

Brand names

Aneket, Hypnoket, Keta, Ketafast, Ketajet, Ketajex, Ketalar, Ketam, Ketamax, Ketmin, Ketriplin, Ketsia, Kmin, Taurket

IUPAC name

2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one

Pharmacokinetics

Parenteral absorption with a hepatic metabolism, excreted via urine.

Actions

Dosage/Dosage form

1-4.5 mg/kg as IV, 0.5-2 mg/kg as IV infusion, 6.5 to 13 mg/Kg IM.

Therapeutic uses

Anesthetic agent

Adverse effects/Side effects

Vivid dreams, hallucinations, confusion, and irrational behaviour. Increased muscle tone sometimes resembling seizures. Temporary hypertension and tachycardia. Hypotension, bradycardia, arrhythmias. Respiratory depression, apnoea, laryngospasm, diplopia, nystagmus, nausea, vomiting, lachrymation, hypersalivation, raised intraocular and CSF pressure, skin rash and pain at injection site.

Interaction

  • May increase effects of nondepolarising muscle relaxants.
  • May reduce hypnotic effect of thiopental.
  • Prolonged recovery time with barbiturates/narcotics.
  • Reduced BP, cardiac output, and pulse rate with halothane.
  • Increased risk of hypertension and tachycardia with thyroid hormones.
  • Seizures and tachycardia may occur when used with theophyllines.

Contraindications

Hypertension, history of cerebrovascular accident. Eye injury, raised ocular and intracranial pressure. Psychotic disorders.

Storage

Store at 15-30 ? 

Information

Molecular weight

237.725

Molecular formula

C13H16ClNO

CAS number

6740-88-1

Precautions

  • Minimise verbal and tactile stimulation during recovery period.
  • Chronic alcoholic and alcohol-intoxicated patients.
  • Preanaesthetic elevated CSF pressure.
  • Dependence and tolerance may develop.
  • May impair ability to drive or operate machinery.
  • Monitor cardiac function in patients with cardiac decompensation or hypertension.
  • Pregnancy and lactation.