In this Article

• What is orphenadrine (Norflex)?
• What are the possible side effects of orphenadrine (Norflex)?
• What is the most important information I should know about orphenadrine (Norflex)?
• What should I discuss with my healthcare provider before taking orphenadrine (Norflex)?
• How should I take orphenadrine (Norflex)?
• What happens if I miss a dose (Norflex)?
• What happens if I overdose (Norflex)?
• What should I avoid while taking orphenadrine (Norflex)?
• What other drugs will affect orphenadrine (Norflex)?
• Where can I get more information?

What should I discuss with my healthcare provider before taking orphenadrine (Norflex)?

Do not take this medication if you are allergic to orphenadrine, or if you have:

• problems with urination;
• enlarged prostate;
• glaucoma;
• a blockage in your stomach or intestines;
• trouble swallowing; or
• myasthenia gravis.

Before taking orphenadrine, tell your doctor if you are allergic to any drugs, or if you have:

• heart disease;
• a heart rhythm disorder; or
• coronary artery disease.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take orphenadrine.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether orphenadrine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take orphenadrine (Norflex)?

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Take this medicine with a full glass of water.

Do not crush, chew, or break the extended-release tablet. Swallow the pill whole. Breaking or crushing the pill may cause too much of the drug to be released at one time.

Orphenadrine is only part of a complete program of treatment that may also include rest, physical therapy, or other pain relief measures. Follow your doctor's instructions.

Orphenadrine may be habit-forming and should be used only by the person it was prescribed for. Orphenadrine should never be given to another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.

Store orphenadrine at room temperature away from moisture, heat, and light.