How should this medicine be used?
Orphenadrine comes as a tablet and an extended-release tablet to take by mouth. It is usually taken twice a day. Do not cut, crush, or chew the extended-release tablets; swallow them whole. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take orphenadrine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Other uses for this medicine
Orphenadrine is also used occasionally to treat nighttime leg cramps. Talk to your doctor about the possible risks of using this drug for your condition.
What special precautions should I follow?
Before taking orphenadrine,
* tell your doctor and pharmacist if you are allergic to orphenadrine or any other drugs.
* tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially amantadine (Symadine, Symmetrel), fluphenazine (Prolixin), haloperidol (Haldol), medications for colds or allergies, medications for depression, perphenazine (Trilafon), prochlorperazine (Compazine), promethazine (Phenergan), sedatives, sleeping pills, trifluoperazine (Stelazine), and vitamins.
* tell your doctor if you have or have ever had glaucoma; myasthenia gravis; ulcers; a urinary tract or intestinal blockage; an enlarged prostate; an irregular heartbeat; or liver, kidney, or heart disease.
* tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking orphenadrine, call your doctor.
* if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking orphenadrine.
* you should know that this drug may make you drowsy. Do not drive a car or operate machinery until you know how orphenadine will affect you.
* remember that alcohol can add to the drowsiness caused by this drug.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can this medication cause?
Although side effects from orphenadrine are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:
* dry mouth
* drowsiness
* dizziness or lightheadedness
* upset stomach
* vomiting
* constipation
* difficulty urinating
* blurred vision
* headache
If you experience any of the following symptoms, call your doctor immediately:
* fast or irregular heartbeat
* fainting
* confusion
* hallucinations
* skin rash
