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Robaxin

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Robaxin

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 a serious side effect such as:

  • fever, chills, flu symptoms;
  • slow heart rate;
  • feeling like you might pass out;
  • seizure (convulsions); or
  • jaundice (yellowing of your skin or eyes).

Less serious side effects may include:

  • dizziness, spinning sensation,...

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: liver disease.

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

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal...

Read All Potential Precautions of Robaxin »

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

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Robaxin - User Reviews

Robaxin User Reviews

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Here is a collection of user reviews for the medication Robaxin sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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