BACLOFEN (BAK loe fen) is a muscle relaxer. It is used to treat severe spasms.
This medicine is for injection into the space around the spinal cord. It can be given by a health care professional in a clinic or hospital setting. Patients can also have a pump implanted into their back for a continuous infusion.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 4 years old for selected conditions, precautions do apply.
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
changes in emotions or moods
changes in vision
fast, irregular heartbeat
feeling faint or lightheaded, falls
loss of balance or coordination
ringing of the ears
trouble passing urine or change in the amount of urine
unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
changes in taste
Do not take this medication with any of the following medicines:
narcotic medicines for cough
This medicine may also interact with the following medications:
antihistamines for allergy, cough and cold
certain medicines for anxiety or sleep
certain medicines for depression like amitriptyline, fluoxetine, sertraline
certain medicines for seizures like phenobarbital, primidone
general anesthetics like halothane, isoflurane, methoxyflurane, propofol
local anesthetics like lidocaine, pramoxine, tetracaine
medicines that relax muscles for surgery
narcotic medicines for pain
phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
It is important to keep your appointments to have this medicine administered or to refill your pump. If you cannot make your appointment, contact your health care provider to make other arrangements.
This drug is given in a hospital or clinic and will not be stored at home.
They need to know if you have any of these conditions:
an unusual or allergic reaction to baclofen, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Tell your doctor or health care professional if your symptoms do not start to get better or if they get worse.
Do not suddenly stop taking your medicine. If you do, you may develop a severe reaction. If your doctor wants you to stop the medicine, the dose will be slowly lowered over time to avoid any side effects. Follow the advice of your doctor.
You may get drowsy or 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. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
If you are taking another medicine that also causes drowsiness, you may have more side effects. Give your health care provider a list of all medicines you use. Your doctor will tell you how much medicine to take. Do not take more medicine than directed. Call emergency for help if you have problems breathing or unusual sleepiness.
The University of Chicago Medicine
5841 S. Maryland Avenue
Chicago, IL 60637 | 773-702-1000
Appointments: Call UCM Connect at 1-888-824-0200