Generic name: Orphenadrine Extended-Release Tablets (or FEN a dreen)
Drug class: Skeletal muscle relaxants
Medically reviewed by Drugs.com. Last updated on Aug 27, 2020.
Uses of Orphenadrine Extended-Release Tablets:
- It is used to relax muscles.
What do I need to tell my doctor BEFORE I take Orphenadrine Extended-Release Tablets?
- If you have an allergy to orphenadrine or any other part of this medicine (orphenadrine extended-release tablets).
- If you are allergic to this medicine (orphenadrine extended-release tablets); any part of this medicine (orphenadrine extended-release tablets); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have any of these health problems: Enlarged prostate gland, glaucoma, heart spasms, bowel block, myasthenia gravis, ulcer disease, or trouble passing urine.
This is not a list of all drugs or health problems that interact with this medicine (orphenadrine extended-release tablets).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (orphenadrine extended-release tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Orphenadrine Extended-Release Tablets?
- Tell all of your health care providers that you take this medicine (orphenadrine extended-release tablets). This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this medicine (orphenadrine extended-release tablets) affects you.
- Have your blood work checked if you are on this medicine (orphenadrine extended-release tablets) for a long time. Talk with your doctor.
- Talk with your doctor before you drink alcohol or use other drugs and natural products that slow your actions.
- This medicine is used with rest, PT (physical therapy), pain drugs, and other therapies.
- If you are 65 or older, use this medicine (orphenadrine extended-release tablets) with care. You could have more side effects.
- This medicine is not approved for use in children. Talk with the doctor.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine (orphenadrine extended-release tablets) while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Orphenadrine Extended-Release Tablets) best taken?
Use this medicine (orphenadrine extended-release tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take with or without food. Take with food if it causes an upset stomach.
- Swallow whole. Do not chew, break, or crush.
What do I do if I miss a dose?
- If you take this medicine (orphenadrine extended-release tablets) on a regular basis, take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Many times this medicine (orphenadrine extended-release tablets) is taken on an as needed basis. Do not take more often than told by the doctor.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Feeling very tired or weak.
- Very bad dizziness or passing out.
- Feeling confused.
- A fast heartbeat.
- A heartbeat that does not feel normal.
- Change in eyesight.
- Trouble passing urine.
- Hallucinations (seeing or hearing things that are not there).
- Feeling agitated.
What are some other side effects of Orphenadrine Extended-Release Tablets?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Upset stomach or throwing up.
- Dry mouth.
- Feeling tired or weak.
- Feeling sleepy.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Orphenadrine Extended-Release Tablets?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine (orphenadrine extended-release tablets), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
More about orphenadrine
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Images
- Drug Interactions
- Pricing & Coupons
- En Español
- 66 Reviews
- Drug class: skeletal muscle relaxants
- Drug Information
- Orphenadrine (Advanced Reading)
- Orphenadrine Injection (Advanced Reading)
- Orphenadrine Injection
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.