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Medications

Baclofen oral solution

What is this medicine?

BACLOFEN (BAK loe fen) helps relieve spasms and cramping of muscles. It may be used to treat symptoms of multiple sclerosis or spinal cord injury.

How should I use this medicine?

Take this medicine by mouth. Follow the directions on the prescription label. Use a specially marked oral syringe, spoon, or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 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 emotions or moods

  • changes in vision

  • chest pain

  • fast, irregular heartbeat

  • feeling faint or lightheaded, falls

  • hallucinations

  • loss of balance or coordination

  • ringing of the ears

  • seizures

  • trouble passing urine or change in the amount of urine

  • trouble walking

  • 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

  • confusion

  • constipation

  • diarrhea

  • dry mouth

  • headache

  • muscle weakness

  • nausea, vomiting

  • trouble sleeping

What may interact with this medicine?

Do not take this medication with any of the following medicines:

  • narcotic medicines for cough

This medicine may also interact with the following medications:

  • alcohol

  • 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

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

Store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze. Protect from light. Keep container tightly closed. Throw away any unused medicine after the expiration date.

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

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

  • history of stroke

  • kidney disease

  • seizures

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

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

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.


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© 2019 Elsevier