Generic Name: baclofen (BAK loe fen)Brand Names: Lioresal
Baclofen is a muscle relaxer and an antispastic agent.
Baclofen is used to treat muscle symptoms caused by multiple sclerosis, including spasm, pain, and stiffness.
Baclofen may also be used for other purposes not listed in this medication guide.
You may have withdrawal symptoms such as seizures or hallucinations, when you stop using baclofen after using it over a long period of time. Do not stop using this medication suddenly without first talking to your doctor. You may need to use less and less before you stop the medication completely.What should I discuss with my healthcare provider before taking Lioresal (baclofen)?Do not use this medication if you are allergic to baclofen.
Before taking baclofen, tell your doctor if you are allergic to any drugs, or if you have:
epilepsy or other seizure disorder; or
a history of stroke or blood clots.
If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether baclofen passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Older adults may be more sensitive to the effects of this medicine.Do not give this medication to a child younger than 12 years old.
Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results from this medication.
You may take baclofen with or without food.Call your doctor if your muscle symptoms do not improve after 2 weeks of taking this medication.
You may have withdrawal symptoms such as seizures or hallucinations, when you stop using baclofen after using it over a long period of time. Do not stop using this medication suddenly without first talking to your doctor. You may need to use less and less before you stop the medication completely.Store baclofen at room temperature away from moisture and heat.
See also: Lioresal dosage in more detail
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include muscle weakness, vomiting, drowsiness, dilated or pinpoint pupils, weak or shallow breathing, fainting, or coma.
Avoid using other medicines that make you sleepy (such as cold medicine, pain medication, muscle relaxers, and medicine for seizures, depression or anxiety). They can add to sleepiness caused by baclofen.Do not use baclofen at a time when muscle tone is needed to assure safe balance and movement for certain activities. In some situations, it may endanger your physical safety to be in a state of reduced muscle tone.
confusion, hallucinations; or
an uneven heartbeat.
Less serious side effects may include:
drowsiness, dizziness, weakness, tired feeling;
sleep problems (insomnia);
nausea, constipation; or
urinating more often than usual.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
There may be other drugs that can affect baclofen. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.