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What is Norflex?

Norflex is a prescription medication that is used to treat muscle spasms and pain. Norflex contains orphenadrine and works by changing the way that the body senses muscle pain. Norflex is typically prescribed as part of a treatment plan that can also include rest and physical therapy.

Make sure to always read the patient information and instructions before using this medication. Always follow your doctor’s directions.

  • Norflex can be taken with or without food.
  • Swallow Norflex tablets whole without chewing or crushing.
  • Do not take more of this medication or take it more frequently than prescribed. Your condition will not improve faster but your risk of side effects will increase.
  • Speak to your doctor if your condition persists or worsens.


Tell your doctor and pharmacist:

  • About your drug and other allergies.
  • If you take any other prescription or over-the-counter medications.
  • Your medical history particularly of heart spasms, enlarged prostate, myasthenia gravis, ulcer disease, glaucoma, bowel blockage or trouble urinating.
  • If you drink alcohol or use other drugs that slow your actions.
  • If you are pregnant or planning pregnancy.
  • If you are breast-feeding.

You should also know:

  • Norflex may affect your concentration or reactions. Do not drive or operate machinery until you can do so safely.
  • Older adults may be more sensitive to the side effects of this medication.
  • Orphenadrine should not be used by children.

Side Effects of Norflex

Common side effects of Norflex include but are not limited to:

  • Headaches.
  • Dizziness.
  • Upset stomach.
  • Vomiting.
  • Dry mouth.
  • Constipation.
  • Feeling tired, sleepy or weak.

Get medical help if you have any of the following side effects of orphenadrine.

  • Fast or unusual heartbeat.
  • Difficulty urination.
  • Severe dizziness or passing out.
  • Confusion or hallucinations.
  • Anxiety.
  • Vision changes.
  • Feeling very weak or tired.
  • Shakiness.
  • Agitation.
  • Symptoms of an allergic reaction such as difficulty breathing, hives or swelling in your face, lips or throat.


What is the strength of Norflex?

Both Norflex and the generic alternative orphenadrine are available in strengths of 100mg.

Can I take Norflex during pregnancy?

Norflex is typically safe to use during pregnancy. Speak to your doctor before taking this medication if you are pregnant or planning pregnancy.

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