Orphenadrine

Conditions Treated

Orphenadrine is used with rest, physical therapy, and other measures to relieve pain and discomfort caused by strains, sprains, and other muscle injuries. Orphenadrine is in a class of medications called skeletal muscle relaxants. It works by changing the way the body senses muscle pain.

Possible Side Effects

What Side Effects Can This Cause?

Orphenadrine may cause side effects. 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

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:

• fast or irregular heartbeat
• fainting
• confusion
• hallucinations
• skin rash

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/Safety/MedWatch] or by phone [1-800-332-1088].Orphenadrine may cause other side effects. Call your doctor if you experience any unusual problems during your treatment with orphenadrine.

Usage Instructions

How Should This Medication Be Used

Orphenadrine comes as a tablet and an extended-release (long-acting) tablet to take by mouth. It is usually taken twice a day. Try to take orphenadrine at around the same times every day. 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. Swallow the extended-release tablets whole. do not split, chew, or crush them.

What Dietary Instructions Should I Follow

Unless your doctor tells you otherwise, continue your normal diet.

Are There Any Special Instructions

Before taking orphenadrine, tell your doctor and pharmacist if you are allergic to orphenadrine,any other medications, or any of the ingredients in orphenadrine tablets or extended-release tablets. tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: amantadine (Symadine, Symmetrel), fluphenazine (Prolixin), haloperidol (Haldol), medications for colds or allergies, medications for depression, perphenazine (Trilafon), prochlorperazine (Compazine), promethazine (Phenergan), sedatives, sleeping pills,and trifluoperazine (Stelazine). Your doctor may need to change the doses of your medications or monitor you carefully for side effects. 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. talk to your doctor about the risks and benefits of taking orphendrine if you are 65 years of age or older. Older adults should not usually take orphenadrine because it is not as safe as other medications that can be used to treat the same condition. if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking orphenadrine. you should know that this medication may make you drowsy. Do not drive a car or operate machinery until you know how orphenadine will affect you. ask your doctor about the safe use of alcohol while you are taking this medication. Alcohol can make the side effects of orphenadrine worse..