Health Library Explorer
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A-Z Listings Contact Us

Ketamine injection

What is this medicine?

Ketamine (KEE ta meen) is an anesthetic. It is used to produce sleep before and during surgery.

How should I use this medicine?

This drug is injected into a vein or muscle. It is given by a health care provider in a hospital or clinic setting.

Talk to your health care provider about the use of this drug in children. While this drug may be prescribed for children as young as 16 years for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue)

  • hallucinations

  • heartbeat rhythm changes (trouble breathing; chest pain; dizziness; fast, irregular heartbeat; feeling faint or lightheaded, falls)

  • increase in blood pressure

  • light-colored stool

  • liver injury (dark yellow or brown urine; general ill feeling or flu-like symptoms; loss of appetite, right upper belly pain; unusually weak or tired, yellowing of the eyes or skin)

  • loss of contact with reality

  • low blood pressure (dizziness; feeling faint or lightheaded, falls; unusually weak or tired)

  • trouble breathing

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • lack or loss of appetite

  • nausea

  • pain, redness, or irritation at site where injected

  • vomiting

What may interact with this medicine?

This medicine may interact with the following medications:

  • aminophylline

  • antihistamines for allergy, cough, and cold

  • certain medicines for anxiety or sleep

  • certain medicines for blood pressure, heart disease, irregular heartbeat

  • certain medicines for depression like amitriptyline, fluoxetine, sertraline

  • certain medicines for seizures like phenobarbital, primidone

  • medicines that relax muscles for surgery

  • narcotic medicines for pain

  • other general anesthetics like isoflurane, propofol

  • phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine

  • theophylline

What if I miss a dose?

This does not apply. This drug is not for regular use.

Where should I keep my medicine?

This drug is given in a hospital or clinic. It will not be stored at home.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • head injury

  • heart disease

  • high blood pressure

  • an unusual or allergic reaction to ketamine, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Your condition will be monitored carefully while you are receiving this drug.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand up or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effects of this drug. Avoid alcoholic drinks.

NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Copyright© 2021 Elsevier
StayWell Disclaimer