FIRST Baclofen

Generic name: Baclofen (oral)
Drug class: Skeletal muscle relaxants

Usage of FIRST Baclofen

FIRST Baclofen is used in adults and children at least 12 years old to treat muscle pain, spasms, and stiffness in people with multiple sclerosis or spinal cord injury or disease.

FIRST Baclofen may also be used for purposes not listed in this medication guide.

FIRST Baclofen side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

FIRST Baclofen may cause serious side effects. Call your doctor at once if you have:

  • severe drowsiness, breathing problems;
  • confusion, hallucinations;
  • muscle weakness, itching, tingling, or twitching in your hands, arms, feet, or legs; or
  • fever.
  • Common side effects of FIRST Baclofen may include:

  • drowsiness, dizziness, weakness, or tiredness.
  • This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    Before taking FIRST Baclofen

    You should not use FIRST Baclofen if you are allergic to it.

    Tell your doctor if you have ever had:

  • mental illness or psychosis;
  • epilepsy or other seizure disorder;
  • problems with balance;
  • high blood pressure, or fast heart rate;
  • a stroke or blood clot; or
  • kidney disease.
  • Using FIRST Baclofen may increase your risk of developing an ovarian cyst. Talk with your doctor about your own risk.

    Tell your doctor if you are pregnant or plan to become pregnant, or breastfeeding or plan to breastfeed. If you take FIRST Baclofen while pregnant or breastfeeding, withdrawal symptoms such as tremors, stiff muscles, or seizure may occur in the baby.

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    How to use FIRST Baclofen

    Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

    Shake the oral suspension (liquid).

    Measure a dose with the supplied measuring device (not a kitchen spoon).

    Shake and pour the entire oral granules packet to dissolve in your mouth or swallow whole at once, with or without liquids.

    You may also mix the granules with liquids (milk, or apple juice) or soft food (apple sauce, yogurt, or pudding).

    The oral granules can also be given through a feeding tube. Ask your doctor or pharmacist if you do not understand these instructions.

    Call your doctor if your symptoms do not improve, or if they get worse.

    You may have withdrawal symptoms if you stop using FIRST Baclofen suddenly. Ask your doctor before stopping the medicine.

    Store the oral suspension (liquid) at room temperature away from moisture and heat. Throw Fleqsuvy away after 2 months of first opening.

    Store Ozobax in the refrigerator, do not freeze.


    Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.

    What other drugs will affect FIRST Baclofen

    Using FIRST Baclofen with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.

    Other drugs may affect FIRST Baclofen, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.


    Every effort has been made to ensure that the information provided by is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. information has been compiled for use by healthcare practitioners and consumers in the United States and therefore does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise.'s drug information does not endorse drugs, diagnose patients or recommend therapy.'s drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

    The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of information provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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