Description:
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 purposes not listed in this medication guide.
Baclofen may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Drinking alcohol can increase certain side effects of 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.
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 baclofen without first talking to your doctor. You may need to use less and less before you stop the medication completely. Using baclofen may increase your risk of developing an ovarian cyst. Talk with your doctor about your specific risk.
BEFORE TAKING BACLOFEN:
You should not use baclofen if you are allergic to it.
To make sure you can safely take baclofen, tell your doctor if you have any of these other conditions:
kidney disease;
epilepsy or other seizure disorder; or
a history of stroke or blood clots.
Oral: Initial dose: 5 mg orally 3 times a day for 3 days, then 10 mg orally 3 times a day for 3 days, then 15 mg orally 3 times a day for 3 days, then 20 mg orally 3 times a day.
Maintenance dose: 40-80 mg/day.
80 mg/day doses should be administered in 4 divided doses.
Intrathecal: Test dose: 50 mcg (in a volume of 1 mL) injected into the intrathecal space by barbotage over at least 1 minute. Observe patient for 4-8 hours for a positive response.
Second test dose: If no positive response to first test dose, 75 mcg (in a volume of 1.5 mL) may be administered 24 hours later.
Third test dose: If no positive response to second test dose, 100 mcg (in a volume of 2 mL) may be administered 24 hours later. If no positive response to third test dose, the patient should not be considered for chronic intrathecal therapy.
The test dose that received a positive response should be doubled and given over 24 hours. If the test dose maintained a positive response for > 12 hours, the starting daily dose should be the same as the effective test dose. After 24 hours, the dose may be titrated by 10%-20% increments every day until the desired clinical effect is achieved. Over time, many patients will require gradual dose increases to maintain the desired clinical effect. Patients have been maintained on daily doses of 12-1500 mcg. Most patients require 300-800 mcg/day.
Usual Adult Dose of Baclofen for Trigeminal Neuralgia:
Oral: Initial dose: 5 mg orally 3 times a day for 3 days, then 10 mg orally 3 times a day for 3 days, then 15 mg orally 3 times a day for 3 days, then 20 mg orally 3 times a day.
Maintenance dose: 40-80 mg/day.
80 mg/day doses should be administered in 4 divided doses.
Intrathecal: Test dose: 50 mcg (in a volume of 1 mL) injected into the intrathecal space by barbotage over at least 1 minute. Observe patient for 4-8 hours for a positive response.
Second test dose: If no positive response to first test dose, 75 mcg (in a volume of 1.5 mL) may be administered 24 hours later.
Third test dose: If no positive response to second test dose, 100 mcg (in a volume of 2 mL) may be administered 24 hours later. If no positive response to third test dose, the patient should not be considered for chronic intrathecal therapy.
The test dose that received a positive response should be doubled and given over 24 hours. If the test dose maintained a positive response for > 12 hours, the starting daily dose should be the same as the effective test dose. After 24 hours, the dose may be titrated by 10%-20% increments every day until the desired clinical effect is achieved. Over time, many patients will require gradual dose increases to maintain the desired clinical effect. Patients have been maintained on daily doses of 12-1500 mcg. Most patients require 300-800 mcg/day.
Usual Adult Dose of Baclofen for Hiccups:
Initial dose: 5 mg orally 3 times a day for 3 days, then 10 mg orally 3 times a day for 3 days, then 15 mg orally 3 times a day for 3 days, then 20 mg orally 3 times a day.
Maintenance dose: 40-80 mg/day.
80 mg/day doses should be administered in 4 divided doses.
Usual Adult Dose of Baclofen for Cerebral Spasticity:
Intrathecal: Test dose: 50 mcg (in a volume of 1 mL) injected into the intrathecal space by barbotage over at least 1 minute. Observe patient for 4-8 hours for a positive response.
Second test dose: If no positive response to first test dose, 75 mcg (in a volume of 1.5 mL) may be administered 24 hours later.
Third test dose: If no positive response to second test dose, 100 mcg (in a volume of 2 mL) may be administered 24 hours later. If no positive response to third test dose, the patient should not be considered for chronic intrathecal therapy.
If a positive response has occurred following a test dose, an intrathecal infusion device may be surgically implanted.
The test dose that received a positive response should be doubled and given over 24 hours. If the test dose maintained a positive response for > 12 hours, the starting daily dose should be the same as the effective test dose. After 24 hours, the dose may be titrated by 10%-20% increments every day until the desired clinical effect is achieved. Over time, many patients will require gradual dose increases to maintain the desired clinical effect. Patients have been maintained on daily doses of 12-1500 mcg. Most patients require 300-800 mcg/day.
WHAT OTHER DRUGS WILL AFFECT BACLOFEN?
Before using baclofen, tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, other muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by baclofen.
This list is not complete and other drugs may interact with baclofen. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
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