Robaxin (Methocarbamol) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 3, 2012

Robaxin

Pain Management »

Introduction to pain management

Pain management can be simple or complex, depending on the cause of the pain. An example of pain that is typically less complex would be nerve root irritation from a herniated disc with pain radiating down the leg. This condition can often be alleviated with an epidural steroid injection and physical therapy. Sometimes, however, the pain does not go away. This can require a wide variety of skills and techniques to treat the pain. These skills and techniques include:

Interventional procedures
Medication management
Physical therapy or chiropractic therapy
Psychological counseling and support
Acupuncture and other alternative therapies; and
Referral to other medical specialists

All of these skills and services are necessary because pain can involve many aspects of a person's daily life.

How is pain tre...

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ROBAXIN
(methocarbamol) Tablet, Film Coated

DRUG DESCRIPTION

robaxin®/robaxin®-750 (methocarbamol tablets, USP), a carbamate derivative of guaifenesin, is a central nervous system (CNS) depressant with sedative and musculoskeletal relaxant properties.

The chemical name of methocarbamol is 3-(2-methoxyphenoxy)-l,2-propanediol 1-carbamate and has the empirical formula C₁₁H₁₅NO₅. Its molecular weight is 241.24. The structural formula is shown below.

ROBAXIN - methocarbamol tablet Structural Formula Illustration

Methocarbamol is a white powder, sparingly soluble in water and chloroform, soluble in alcohol (only with heating) and propylene glycol, and insoluble in benzene and n-hexane.

robaxin (methocarbamol) ® is available as a light orange, round, film-coated tablet containing 500 mg of methocarbamol, USP for oral administration. The inactive ingredients present are corn starch, FD&C Yellow 6, hydroxypropyl cellulose, hypromellose, magnesium stearate, polysorbate 20, povidone, propylene glycol, saccharin sodium, sodium lauryl sulfate, sodium starch glycolate, stearic acid, titanium dioxide.

robaxin (methocarbamol) ®-750 is available as an orange capsule-shaped, film-coated tablet containing 750 mg of methocarbamol, USP for oral administration. In addition to the inactive ingredients present in robaxin (methocarbamol) ®, robaxin (methocarbamol) ®-750 also contains D&C Yellow 10.

What are the possible side effects of methocarbamol (Robaxin, Robaxin-750)?

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

Stop using methocarbamol and call your doctor at once if you have any of these serious side effects:

slow heart rate;
feeling like you might pass out;
jaundice (yellowing of your skin or eyes);
confusion, spinning sensation, loss of balance; or
seizure (convulsions).

Less serious side...

Read All Potential Side Effects and See Pictures of Robaxin »

What are the precautions when taking methocarbamol (Robaxin)?

Before taking methocarbamol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, severe difficulty urinating (urinary retention).

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position.

Caution is advised when...

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Last reviewed on RxList: 11/1/2010
This monograph has been modified to include the generic and brand name in many instances.