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Norgesic

Last reviewed on RxList: 4/7/2009
Drug Description

NORGESIC
(orphenadrine citrate, aspirin and caffeine) Tablet, Multilayer

NORGESIC FORTE
(orphenadrine citrate, aspirin and caffeine) Tablet, Multilayer

DESCRIPTION

No information provided.

For Consumers

What are the possible side effects of aspirin/caffeine/orphenadrine (Norgesic, Norgesic Forte)?

If you experience any of the following serious side effects, stop taking aspirin/caffeine/orphenadrine and seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
  • an irregular or a very fast heartbeat;
  • confusion, hallucinations, or abnormal behavior;
  • red, black, or bloody stools; or
  • blood in vomit.

Other, less serious side effects may be more likely to occur. Continue to take...

Indications & Dosage

INDICATIONS

  1. Symptomatic relief of mild to moderate pain of acute musculoskeletal disorders.
  2. The orphenadrine component is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute painful musculoskeletal conditions.

The mode of action of orphenadrine has not been clearly identified, but may be related to its analgesic properties. Norgesic (orphenadrine citrate with aspirin and caffeine) and Norgesic (orphenadrine citrate with aspirin and caffeine) Forte do not directly relax tense skeletal muscles in man.

DOSAGE AND ADMINISTRATION

Norgesic (orphenadrine citrate with aspirin and caffeine) : Adults 1 to 2 tablets 3 to 4 times daily.

Norgesic (orphenadrine citrate with aspirin and caffeine) Forte: Adults ½ to 1 tablet 3 to 4 times daily.

HOW SUPPLIED

Norgesic (orphenadrine citrate with aspirin and caffeine) tablets can be identified by their two layers colored white and yellow. Each round tablet is embossed “NORGESIC (orphenadrine citrate with aspirin and caffeine) ” on one side and “3M” on the other and contains orphenadrine citrate (2-dimethylaminoethyl 2-methylbenzhydryl ether citrate) 25 mg, aspirin 385 mg, and caffeine 30 mg.

Norgesic (orphenadrine citrate with aspirin and caffeine) Forte tablets are exactly twice the strength of Norgesic (orphenadrine citrate with aspirin and caffeine) . They are identified by their scored capsule shape and by their two layers colored white and yellow. Each capsule shaped tablet is embossed “NORGESIC (orphenadrine citrate with aspirin and caffeine) FORTE” on one side and “3M” on the other and contains orphenadrine citrate 50 mg, aspirin 770 mg, and caffeine 60 mg.

Norgesic (orphenadrine citrate with aspirin and caffeine) and Norgesic (orphenadrine citrate with aspirin and caffeine) Forte also contain: lactose, polyethylene glycol, povidone, starch, sucrose, zinc stearate, and D&C yellow #10.

Norgesic (orphenadrine citrate with aspirin and caffeine) : Bottles of 100 tablets (NDC 0089-0231-10) and 500 tablets (NDC 0089-0231-50).

Norgesic (orphenadrine citrate with aspirin and caffeine) Forte: Bottles of 100 tablets (NDC 0089-0233-10) and 500 tablets (NDC 0089-0233-50).

Store below 30°C (86°F).

MAY 1998. 3M Pharmaceuticals, Northridge, CA 91324.

Side Effects & Drug Interactions

SIDE EFFECTS

Side effects of Norgesic (orphenadrine citrate with aspirin and caffeine) or Norgesic (orphenadrine citrate with aspirin and caffeine) Forte are those seen with aspirin and caffeine or those usually associated with mild anticholinergic agents. These may include tachycardia, palpitation, urinary hesitancy or retention, dry mouth, blurred vision, dilatation of the pupil, increased intraocular tension, weakness, nausea, vomiting, headache, dizziness, constipation, drowsiness, and rarely, urticaria and other dermatoses. Infrequently, an elderly patient may experience some degree of confusion. Mild central excitation and occasional hallucinations may be observed. These mild side effects can usually be eliminated by reduction in dosage. One case of aplastic anemia associated with the use of Norgesic (orphenadrine citrate with aspirin and caffeine) has been reported. No causal relationship has been established. Rare G.I. hemorrhage due to aspirin content may be associated with the administration of Norgesic (orphenadrine citrate with aspirin and caffeine) or Norgesic (orphenadrine citrate with aspirin and caffeine) Forte. Some patients may experience transient episodes of light-headedness, dizziness or syncope.

DRUG INTERACTIONS

No information provided.

Warnings & Precautions

WARNINGS

Reye's Syndrome may develop in individuals who have chicken pox, influenza, or flu symptoms. Some studies suggest a possible association between the development of Reye's Syndrome and the use of medicines containing salicylate or aspirin. Norgesic (orphenadrine citrate with aspirin and caffeine) and Norgesic (orphenadrine citrate with aspirin and caffeine) Forte contain aspirin and therefore are not recommended for use in patients with chicken pox, influenza, or flu symptoms. Norgesic (orphenadrine citrate with aspirin and caffeine) and Norgesic (orphenadrine citrate with aspirin and caffeine) Forte may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; ambulatory patients should therefore be cautioned accordingly.

Aspirin should be used with extreme caution in the presence of peptic ulcers and coagulation abnormalities.

Usage In Pregnancy

Since safety of the use of this preparation in pregnancy, during lactation, or in the childbearing age has not been established, use of the drug in such patients requires that the potential benefits of the drug be weighed against its possible hazard to the mother and child.

Pediatric Use

Safety and effectiveness in pediatric patients have not been established.

PRECAUTIONS

Confusion, anxiety and tremors have been reported in a few patients receiving propoxyphene and orphenadrine concomitantly. As these symptoms may be simply due to an additive effect, reduction of dosage and/or discontinuation of one or both agents is recommended in such cases.

Safety of continuous long term therapy with Norgesic (orphenadrine citrate with aspirin and caffeine) and Norgesic (orphenadrine citrate with aspirin and caffeine) Forte has not been established; therefore, if Norgesic (orphenadrine citrate with aspirin and caffeine) or Norgesic (orphenadrine citrate with aspirin and caffeine) Forte is prescribed for prolonged use, periodic monitoring of blood, urine and liver function values is recommended.

Overdosage & Contraindications

OVERDOSE

No information provided.

CONTRAINDICATIONS

Because of the mild anticholinergic effect of orphenadrine, Norgesic (orphenadrine citrate with aspirin and caffeine) or Norgesic (orphenadrine citrate with aspirin and caffeine) Forte should not be used in patients with glaucoma, pyloric or duodenal obstruction, achalasia, prostatic hypertrophy or obstructions at the bladder neck. Norgesic (orphenadrine citrate with aspirin and caffeine) or Norgesic (orphenadrine citrate with aspirin and caffeine) Forte is also contraindicated in patients with myasthenia gravis and in patients known to be sensitive to aspirin or caffeine.

The drug is contraindicated in patients who have demonstrated a previous hypersensitivity to the drug.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

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Orphenadrine citrate is a centrally acting (brain stem) compound which in animals selectively blocks facilitatory functions of the reticular formation. Orphenadrine does not produce myoneural block, nor does it affect crossed extensor reflexes. Orphenadrine prevents nicotine-induced convulsions but not those produced by strychnine.

Chronic administration of Norgesic (orphenadrine citrate with aspirin and caffeine) to dogs and rats has revealed no drug-related toxicity. No blood or urine changes were observed, nor were there any macroscopic or microscopic pathological changes detected. Extensive experience with combinations containing aspirin and caffeine has established them as safe agents. The addition of orphenadrine citrate does not alter the toxicity of aspirin and caffeine.

The mode of therapeutic action of orphenadrine has not been clearly identified, but may be related to its analgesic properties.

Orphenadrine citrate also possesses anticholinergic actions.

Medication Guide

PATIENT INFORMATION

No information provided. Please refer to the WARNINGS and PRECAUTIONS sections.

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Report Problems to the Food and Drug Administration

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