What Is Methocarbamol?
Methocarbamol is a muscle relaxant.
It works by blocking nerve impulses (or pain sensations) that are sent
to your brain.
What is the most important information I should know about
Use caution when driving an automobile, operating machinery, or
performing other hazardous activities. Methocarbamol muscle relaxer may cause
dizziness or drowsiness. If you experience dizziness or drowsiness,
avoid such activities. Use alcohol with care. Alcohol may increase
drowsiness and dizziness while you are taking methocarbamol. Consult
with your doctor immediately if you experience a rash, itching, a
fever, or nasal congestion during treatment with methocarbamol.
What is methocarbamol?
Methocarbamol is a muscle relaxant. It works by blocking nerve
impulses (or pain sensations) that are sent to your brain.
Methocarbamol is used, along with rest and physical therapy, to treat
injuries and other painful muscular conditions. Methocarbamol is also
often used in the treatment of tetanus. Methocarbamol may also be used
for purposes other than those listed here.
Who should not take methocarbamol?
Before taking methocarbamol, tell your doctor if you have kidney
disease, liver disease, or a seizure disorder. In which case, you may
need a lower dose or special monitoring during your therapy. It is not
known whether methocarbamol will harm an unborn baby. Therefore, do not
take methocarbamol without first talking to your doctor if you are
pregnant. It is also not known whether methocarbamol passes into breast
milk. Again, do not take methocarbamol without first talking to your
doctor if you are breast-feeding a baby. Methocarbamol is not approved
for use in children younger than 12 years of age.
How should I take methocarbamol?
Take methocarbamol exactly as directed by your doctor. If you do
not understand these directions, ask your pharmacist, nurse, or doctor
to explain them to you. Take each dose with a full glass of water.
Methocarbamol is usually taken three or four times a day. With your
prescription, follow your doctor's instructions. Store methocarbamol at
room temperature away from moisture and heat.
What happens if I miss a dose?
Take the missed dose as soon as you remember. However, if it is
almost time for your next dose, skip the missed dose and take only your
next regularly scheduled dosage. Do not take a double dose of this
What happens if I overdose?
Seek emergency medical attention immediately. Symptoms of a
methocarbamol overdose include drowsiness, confusion, and
What are the possible side effects of methocarbamol?
If you experience any of the following serious side effects, stop
taking methocarbamol and seek emergency medical attention: allergic
reaction (difficulty breathing; closing of your throat; swelling of
your lips, tongue, or face; or hives); a rash or itching; a fever; or
nasal congestion. Other, less serious side effects may be more likely
to occur. If you experience the following, continue to take
methocarbamol and consult your doctor: drowsiness, dizziness,
lightheadedness, or fainting; headache or blurred vision; nausea or a
metallic taste in your mouth; or brown, black, or green urine (this is
not harmful). Side effects other than those listed here may also occur.
Consult your doctor about any side effect that seems unusual or that is
What other drugs will affect methocarbamol?
Many drugs can increase the effects of methocarbamol, which can
lead to heavy sedation. Before taking this medication, tell your doctor
if you are taking any of the following medicines: antihistamines such
as brompheniramine (Dimetane, Bromfed, others), chlorpheniramine (Chlor-Trimeton,
Teldrin, others), azatadine (Optimine), clemastine (Tavist), and many
others; narcotics (pain killers) such as meperidine (Demerol), morphine
(MS Contin, MSIR, others), propoxyphene (Darvon, Darvocet), hydrocodone
(Lorcet, Vicodin), oxycodone (Percocet, Percodan), fentanyl (Duragesic),
and codeine (Fiorinal, Fioricet, Tylenol #3, others); sedatives such as
phenobarbital (Solfoton, Luminal), amobarbital (Amytal), and
secobarbital (Seconal); phenothiazines such as chlorpromazine (Thorazine),
fluphenazine (Prolixin), mesoridazine (Serentil), perphenazine (Trilafon),
prochlorperazine (Compazine), thioridazine (Mellaril), and
trifluoperazine (Stelazine); or antidepressants such as doxepin (Sinequan),
imipramine (Tofranil), nortriptyline (Pamelor), fluoxetine (Prozac),
paroxetine (Paxil), sertraline (Zoloft), phenelzine (Nardil), and
tranylcypromine (Parnate). Drugs other than those listed here may also
interact with methocarbamol. Consult with your doctor and pharmacist
before taking any prescription or over-the-counter medicines.
Where can I get more information?
Your pharmacist has more information about methocarbamol written
for health professionals that you may read.