section name header

Pronunciation

meth-oh-KAR-ba-mole

Classifications

Therapeutic Classification: skeletal muscle relaxants (centrally acting)

Indications

BEERS REMS


Action

  • Skeletal muscle relaxation, probably as a result of CNS depression.
Therapeutic effects:
  • Skeletal muscle relaxation.

Pharmacokinetics

Absorption: Rapidly absorbed from the GI tract.

Distribution: Widely distributed to tissues.

Metabolism/Excretion: Metabolized by the liver.

Half-Life: 1–2 hr.

Time/Action Profile

(skeletal muscle relaxation)

ROUTEONSETPEAKDURATION
PO30 min2 hrunknown
IMrapidunknownunknown
IVimmediateend of infusionunknown

Contraind./Precautions

Contraindicated in:

Use Cautiously in:

Adv. Reactions/Side Effects

CV: IVbradycardia, hypotension

Derm: flushing (IV only), pruritus, rash, urticaria

EENT: blurred vision, nasal congestion

GI: anorexia, GI upset, nausea

GU: brown, black, or green urine

Local: pain at IM site, phlebitis at IV site

Neuro: dizziness, drowsiness, light-headedness, SEIZURES (IV, IM ONLY)

Misc: fever, HYPERSENSITIVITY REACTIONS (IM, IV USE ONLY)(INCLUDING ANAPHYLAXIS)

Interactions

Drug-drug:

Drug-Natural Products:

Route/Dosage

Availability

(Generic available)

Assessment

Lab Test Considerations:

Implementation

IV Administration:

Patient/Family Teaching

Evaluation/Desired Outcomes

US Brand Names

Robaxin

Code

NDC Code