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Flexazone Brand names, Flexazone Analogs

Flexazone Brand Names Mixture

  • Acetazone Forte (Acetaminophen + Chlorzoxazone)
  • Acetazone Forte C8 (Acetaminophen + Chlorzoxazone + Codeine Phosphate)
  • Back-Aid Forte - Tab (Acetaminophen + Chlorzoxazone)
  • Extra Strength Tylenol Aches and Strains (Acetaminophen + Chlorzoxazone)
  • Gin Pain Pills - Tab (Acetaminophen + Chlorzoxazone)
  • Gin Pain Pills- Chlorzoxazone & Acetamin.Tab (Acetaminophen + Chlorzoxazone)
  • Parafon Forte (Acetaminophen + Chlorzoxazone)
  • Parafon Forte C8 W Codeine Tab (Acetaminophen + Chlorzoxazone + Codeine Phosphate)
  • Parafon Forte Tablets (Acetaminophen + Chlorzoxazone)

Flexazone Chemical_Formula


Flexazone RX_link


Flexazone fda sheet

Flexazone msds (material safety sheet)

Flexazone MSDS

Flexazone Synthesis Reference

No information avaliable

Flexazone Molecular Weight

169.565 g/mol

Flexazone Melting Point

191.5 oC

Flexazone H2O Solubility

1000 mg/L

Flexazone State


Flexazone LogP


Flexazone Dosage Forms

Tablet (500 mg)

Flexazone Indication

For the relief of discomfort associated with acute painful musculoskeletal conditions.

Flexazone Pharmacology

Chlorzoxazone, a synthetic compound, inhibits antigen-induced bronchospasms and, hence, is used to treat asthma and allergic rhinitis. Chlorzoxazone is used as an ophthalmic solution to treat conjunctivitis and is taken orally to treat systemic mastocytosis and ulcerative colitis. Chlorzoxazone is also a centrally-acting agent for painful musculoskeletal conditions. Data available from animal experiments as well as human study indicate that chlorzoxazone acts primarily at the level of the spinal cord and subcortical areas of the brain where it inhibits multisynaptic reflex a.c. involved in producing and maintaining skeletal muscle spasm of varied etiology. The clinical result is a reduction of the skeletal muscle spasm with relief of pain and increased mobility of the involved muscles.

Flexazone Absorption

No information avaliable

Flexazone side effects and Toxicity

Oral, mouse: LD50 = 440 mg/kg; Oral, rat: LD50 = 763 mg/kg; Symptoms of overdose include diarrhea, dizziness, drowsiness, headache, light-headedness, nausea, and vomiting.

Flexazone Patient Information

No information avaliable

Flexazone Organisms Affected

Humans and other mammals