PTCE Top 200 · #121

Methocarbamol

Robaxin

Methocarbamol is the generic name for the brand-name drug Robaxin. It is a skeletal muscle relaxant used to treat muscle spasm. On the PTCE Top 200 drug list, Methocarbamol ranks #121 and is one of the most frequently tested cns/psych medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic nameMethocarbamol
Brand name(s)Robaxin
Drug classSkeletal muscle relaxant
Class groupCNS/Psych
Common usemuscle spasm
DEA scheduleUnscheduled
AvailabilityPrescription only (Rx)

What is Methocarbamol used for?

Short-term adjunct for relief of discomfort associated with acute, painful musculoskeletal conditions (e.g., muscle spasm).

What drug class is Methocarbamol?

Methocarbamol is a Skeletal muscle relaxant in the CNS/Psych group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.

Common side effects of Methocarbamol

Major interactions

Is Methocarbamol a controlled substance?

No. Methocarbamol is not a federally controlled substance (it is unscheduled by the DEA).

How to remember Methocarbamol (PTCE mnemonic)

RO-baxin RELaxes the BAcK — methocarbamol is a centrally-acting muscle relaxant. Drowsy, dizzy; safer than cyclobenzaprine in elderly; short-term use only.
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PTCE exam tip

Methocarbamol is a centrally acting muscle relaxant — sedation is the key counseling point, and it can harmlessly darken urine, a classic 'reassure the patient' item.

Methocarbamol FAQ

What is the brand name for Methocarbamol?

The brand name for Methocarbamol is Robaxin.

What is Methocarbamol used for?

Methocarbamol is used to treat muscle spasm. Short-term adjunct for relief of discomfort associated with acute, painful musculoskeletal conditions (e.g., muscle spasm).

What drug class is Methocarbamol?

Methocarbamol is a Skeletal muscle relaxant (CNS/Psych group).

Is Methocarbamol a controlled substance?

No. Methocarbamol is not a federally controlled substance (it is unscheduled by the DEA).

Related drugs in the CNS/Psych group

Drill Methocarbamol the way the PTCE asks it

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Last reviewed June 25, 2026. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).