• Musculoskeletal pain:
    • PO 100mg BD OR IM/IV 60mg BD
  • Leg cramps (Off-label):
    • PO 100mg nocte

Tablet: 100mg

Injection: 30mg/mL

  • Give slow IV ~5 min with patient in supine position
  • Patient should remain in this position for 5-10 min post-injection

Skeletal muscle relaxant

Its exact mechanism is unknown but it is thought to inhibit histamine and NMDA receptors. It has euphorigenic and analgesic properties

  • Xerostomia
  • Tachycardia
  • Palpitations
  • Urinary hesitancy
  • Urinary retention
  • Blurred vision
  • Mydriasis
  • Increased IOP
  • Weakness
  • Nausea
  • Vomiting
  • Headache
  • Dizziness
  • Constipation
  • Drowsiness
  • Hypersensitivity reaction
  • Pruritus
  • Hallucinations
  • Agitation
  • Tremor
  • Gastric irritation
  • Hypersensitivity to sulfites (inj form)
  • Glaucoma
  • Prostatic hypertrophy
  • Bladder neck obstruction
  • Pyloric obstruction
  • Duodenal obstruction
  • Megaesophagus
  • Myasthenia gravis
  • Potassium salts

                          Drug Status

Availability Prescription only
Pregnancy Category C
Breastfeeding Unknown; Not recommended
Schedule Not controlled
BRAND NAME STRENGTH FORMULATION PACK SIZE MANUFACTURER DISTRIBUTOR
Norflex 100mg Tablet 20’s iNova Pharma Phillips Therapeutics