Ketamine injection
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 medicine is for injection into a vein. It is given by a health care professional in a hospital or clinic setting.
Talk to your pediatrician regarding the use of this medicine 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 like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing problems
changes in vision
fast heartbeat
hallucination, loss of contact with reality
signs and symptoms of low blood pressure like dizziness; feeling faint or lightheaded, falls; unusually weak or tired
uncontrollable head, mouth, neck, arm, or leg movements
unusually slow heartbeat
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
anxious
excessive saliva production
upset stomach
What may interact with this medicine?
Do not take this medicine with any of the following medications:
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
St. John's Wort
This medicine may also interact with the following medications:
alcohol
antihistamines for allergy, cough, and cold
certain medicines for blood pressure
certain medicines for depression, anxiety, or psychotic disturbances
general anesthetics
medicines that relax muscles for surgery
memantine
narcotic medicines for pain
phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
pregabalin
theophylline; aminophylline
thyroid hormones
What if I miss a dose?
This does not apply.
Where should I keep my medicine?
This drug is given in a hospital or clinic and 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:
bleeding in the brain
brain tumor
dehydration
head injury
heart disease
high blood pressure
history of stroke
if you often drink alcohol
mental illness
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 medicine.
You may get dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Avoid alcoholic drinks; they can make you more dizzy.
Updated:  
July 17, 2018