Prescription Required 
Formulation : 
Description
Indications
Orphenadrine is prescribed along with rest, physical therapy, and other therapeutic modalities, for the purpose of alleviating pain and discomfort resulting from muscle injuries, strains and sprains. Classified as a skeletal muscle relaxant, orphenadrine modifies the body’s perception of muscle pain to produce its therapeutic effects.
Uses and Dosage
Administer this medication orally, with or without food, in accordance with your physician’s instructions.
Avoid increasing the dosage or frequency of use beyond that which has been prescribed, as doing so will not hasten the recovery process, and may instead heighten the likelihood of adverse effects.
When consuming extended-release tablets, ensure that they are swallowed whole, without crushing or chewing, to avoid sudden release of the medication which may increase the probability of side effects.
Notify your physician if your condition fails to improve, or if it deteriorates.
Side Effects
Some side effects may occur that usually do not need medical attention:
- dry mouth
- drowsiness
- dizziness or lightheadedness
- upset stomach
- vomiting
- constipation
- difficulty urinating
- blurred vision
- headache
Inform your healthcare provider immediately if you experience any serious side effects:
- fast or irregular heartbeat
- fainting
- confusion
- hallucinations
- skin rash
Caution
Prior to taking orphenadrine, inform your physician or pharmacist if you have any allergies to it or other substances, as this product may contain inactive ingredients that can cause allergic reactions or other complications.
Before initiating treatment with this medication, disclose your medical history to your physician or pharmacist, particularly if you have a history of glaucoma, gastrointestinal/esophageal/stomach issues such as ulcers or blockages, difficulty urinating due to an enlarged prostate, myasthenia gravis, or heart issues like irregular/fast heartbeat or heart failure.
The use of this drug may result in dizziness, drowsiness, or visual blurring. Consumption of alcohol or marijuana can intensify these effects. Refrain from driving, operating machinery, or performing any activities that require alertness or clear vision until you are confident that you can perform them safely.
Older individuals may be more susceptible to the adverse effects of this medication, particularly confusion, drowsiness, constipation, or difficulties in urination. Confusion and drowsiness may raise the risk of falls.
During pregnancy, this medication should be administered only if absolutely necessary. Discuss the potential risks and benefits with your physician.
It is unclear whether this medication passes into breast milk. Consult your physician before nursing your child.
Form and Strength
Norflex is available in the following forms and strengths:
-
orphenadrine extended-release tablet:
- 100mg
FAQ
How long does it take for Norflex to start working?
Orphenadrine gets to work quickly, within 1 hour, to relieve pain and muscle spasms. It is effective against a wide range of muscle spasms and keeps on working for 12 to 24 hours after a dose.
Is Norflex good for back pain?
Norflex can effectively treat back pain and muscle spasms.
