Generic Name: Orphenadrine Injection (or FEN a dreen)
Brand Name: Norflex
Medically reviewed by Drugs.com. Last updated on Sep 30, 2020.
The Norflex brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
Uses of Norflex:
- It is used to relax muscles.
What do I need to tell my doctor BEFORE I take Norflex?
- If you have an allergy to orphenadrine or any other part of Norflex (orphenadrine injection).
- If you are allergic to Norflex (orphenadrine injection); any part of Norflex (orphenadrine injection); 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 Norflex (orphenadrine injection).
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 Norflex (orphenadrine injection) 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 Norflex?
- Tell all of your health care providers that you take Norflex (orphenadrine injection). This includes your doctors, nurses, pharmacists, and dentists.
- If you are allergic to sulfites, talk with your doctor. Some products have sulfites.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how Norflex (orphenadrine injection) affects you.
- Have your blood work checked if you are on Norflex (orphenadrine injection) 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 Norflex (orphenadrine injection) 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 Norflex (orphenadrine injection) 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 (Norflex) best taken?
Use Norflex (orphenadrine injection) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as a shot into a muscle or vein.
What do I do if I miss a dose?
- Call your doctor to find out what to do.
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 Norflex?
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 Norflex?
- If you need to store Norflex (orphenadrine injection) at home, talk with your doctor, nurse, or pharmacist about how to store it.
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.
- 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.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Norflex (orphenadrine injection), 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.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Norflex (orphenadrine)
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Images
- Drug Interactions
- En Español
- 23 Reviews
- Drug class: skeletal muscle relaxants