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Orphenadrine Citrate Er Tablet — prescription drug image

Orphenadrine Citrate Er

Orphenadrine Citrate ER 100MG

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What is Orphenadrine Citrate Er?

Orphenadrine citrate ER is a medication primarily used to relieve muscle pain and discomfort. It works as a muscle relaxant and is often prescribed alongside rest and physical therapy. Users can connect with licensed providers for prescriptions on Rx.com, offering options like mail-order and savings cards to manage costs effectively.

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What is Orphenadrine Citrate Er ?

Orphenadrine citrate ER is a medication primarily used to relieve muscle pain and discomfort. It works as a muscle relaxant and is often prescribed alongside rest and physical therapy. Users can connect with licensed providers for prescriptions on Rx.com, offering options like mail-order and savings cards to manage costs effectively.
  • Weakness, tremors, or shaking.
  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Confusion, anxiety, unusual thoughts, or hallucinations (seeing things that are not there).
  • Fast, pounding, or uneven heartbeat.
  • Lightheadedness or fainting.
  • Trouble urinating, or a decrease in how much or how often you urinate.
  • Make sure your doctor knows if you are pregnant or breast feeding, or if you have heart problems.
  • This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • Lightheadedness or fainting.
What is orphenadrine citrate ER used for?
Orphenadrine citrate extended-release tablets are FDA-approved as an add-on to rest, physical therapy, and other measures for relief of discomfort from acute, painful musculoskeletal conditions such as muscle spasm, strains, sprains, and low back pain. It is meant as short-term help alongside those other measures, not as a stand-alone cure. The label states that the safety of continuous long-term therapy has not been established, and safety in children has not been established. Your prescriber decides whether it fits your situation and for how long.
Is orphenadrine citrate a narcotic or controlled substance?
No. Orphenadrine citrate is not a narcotic and is not a federally controlled substance. It is a centrally acting skeletal muscle relaxant that is chemically related to the antihistamine diphenhydramine, and it is sometimes used as part of pain plans that avoid opioids. It is still a prescription-only medicine with meaningful side effects, so it should only be taken as your prescriber directed and never shared with anyone else.
What is the difference between orphenadrine and cyclobenzaprine?
Both are centrally acting muscle relaxants prescribed short-term for acute muscle pain, but they are different drugs with different labels. Orphenadrine is an analog of diphenhydramine with anticholinergic and antihistaminic effects, and its label lists specific contraindications including glaucoma, myasthenia gravis, prostate enlargement or bladder-neck obstruction, and certain stomach and esophagus conditions. Cyclobenzaprine is structurally related to tricyclic antidepressants and has its own separate warnings and interactions. Neither is clearly better for everyone. Ask your prescriber which one suits your health history and the other medicines you take, and do not switch on your own.
Can you take orphenadrine citrate with ibuprofen or other pain relievers?
Muscle relaxants are often used together with a pain reliever, and orphenadrine is sold in combination products that pair it with aspirin and caffeine. But whether a particular combination is safe for you depends on your kidneys, stomach, heart, and the rest of your medicine list, so check with your pharmacist or prescriber before adding anything, including over-the-counter products. Be especially careful with anything that causes drowsiness. Alcohol, opioids, sleep aids, and sedating antihistamines all intensify orphenadrine's drowsiness and dizziness.
Why is orphenadrine not recommended for older adults?
Orphenadrine is listed on the American Geriatrics Society Beers Criteria as potentially inappropriate for adults 65 and older. The reasons given are its anticholinergic effects, which can cause confusion, blurred vision, dry mouth, constipation, and urinary retention, along with limited evidence of benefit and an increased risk of falls from dizziness and drowsiness. That does not automatically mean no older adult should ever take it. It means the risks deserve a careful conversation. If you or a family member is 65 or older and taking it, ask the prescriber whether it is still the right choice.
How much does Orphenadrine Citrate Er cost without insurance?
The price of Orphenadrine Citrate Er without insurance varies by pharmacy, dosage, and quantity. Rx.com compares cash prices at more than 60,000 US pharmacies so you can find the lowest price near you. Many people save up to 64% off retail prices with a free Rx.com coupon.
What are the common side effects of Orphenadrine Citrate Er?
Common side effects of Orphenadrine Citrate Er may include: Weakness, tremors, or shaking., Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, Confusion, anxiety, unusual thoughts, or hallucinations (seeing things that are not there)., Fast, pounding, or uneven heartbeat., Lightheadedness or fainting.. This is not a complete list — consult your pharmacist or doctor for full side effect information.
Is there a generic version of Orphenadrine Citrate Er?
Generic versions may be available for Orphenadrine Citrate Er. Generics contain the same active ingredients as brand-name drugs and are typically 80–90% cheaper. Search Orphenadrine Citrate Er on Rx.com to compare generic and brand prices at pharmacies near you.
What is the cheapest pharmacy for Orphenadrine Citrate Er?
The cheapest pharmacy for Orphenadrine Citrate Er depends on your location and dosage. Rx.com compares prices at CVS, Walgreens, Walmart, Kroger, Costco, and thousands of independent pharmacies. Enter your ZIP code on Rx.com to find the lowest price for Orphenadrine Citrate Er near you.

Orphenadrine Citrate Er Coupons & Prices

Orphenadrine Citrate ER 100MG

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Orphenadrine Citrate Er Tablet — prescription drug image
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Use an orphenadrine citrate ER coupon from Rx.com to compare cash prices on extended-release orphenadrine citrate 100 mg tablets at more than 60,000 pharmacies near you. Orphenadrine citrate is a centrally acting skeletal muscle relaxant used short-term, alongside rest and physical therapy, for the discomfort of acute painful musculoskeletal conditions such as muscle spasm, strains, sprains, and low back pain. The brand Norflex is no longer marketed in the United States, but an FDA-approved generic extended-release tablet is available, and what you pay in cash can vary widely from one pharmacy to the next. Enter your ZIP code above to see today's price at pharmacies around you.

What is orphenadrine citrate ER and how does it work?

Orphenadrine citrate is a centrally acting skeletal muscle relaxant. It is chemically an analog of diphenhydramine and carries anticholinergic and antihistaminic properties. The FDA label states that its exact mode of action has not been clearly identified, but the effect may be related to its analgesic (pain-relieving) properties. It does not work directly on the muscle itself the way a topical rub does.

It is FDA-approved as an adjunct to rest, physical therapy, and other measures for relief of discomfort associated with acute, painful musculoskeletal conditions. The standard dose of the extended-release tablet is one 100 mg tablet twice a day, morning and evening. Extended-release tablets must be swallowed whole and should not be crushed or chewed, because that would release the whole dose at once. The label states that the safety of continuous long-term therapy has not been established, and safety in children has not been established. Your prescriber decides how long you should take it.

What orphenadrine citrate ER costs without insurance, and how to pay less

Orphenadrine citrate ER is a generic medicine, and there is no manufacturer savings card for it. That does not mean every pharmacy charges the same. Cash prices for the same generic tablet, the same strength, and the same quantity can differ a great deal between a chain drugstore, a grocery-store pharmacy, and an independent down the street. That gap is the reason comparing is worth the two minutes it takes.

Rx.com compares cash prices across more than 60,000 U.S. pharmacies and gives you a free coupon you can show at the counter. The coupon is a cash-discount tool, not insurance. If you do have prescription coverage, ask the pharmacist to run both your insurance and the coupon and use whichever comes out lower for you that day, since a plan copay is sometimes higher than the cash price on an inexpensive generic. Enter your ZIP code above to see today's price near you, and check the quantity your prescriber wrote, because a 30-day and a 90-day fill can price out very differently per tablet.

Orphenadrine compared with other muscle relaxants

Orphenadrine is one of several muscle relaxants prescribers use for short-term musculoskeletal pain. There is no single best one for everyone, and the choice usually comes down to your other conditions, your other medicines, and how sedating each one is for you. Other options your prescriber may discuss include:

Orphenadrine is also sold in combination products that pair it with aspirin and caffeine. The brand marketed in the United States is Orphengesic Forte; the older Norgesic and Norgesic Forte brands are no longer marketed here. Combination products are different prescriptions with their own labels and their own prices, so if your prescriber wrote for a combination product, price that exact product rather than the single-ingredient ER tablet. Never switch between muscle relaxants on your own. Ask your prescriber or pharmacist which fits your situation.

Safety information you should know

Orphenadrine citrate ER has no boxed warning, but it has real limits. It should not be used if you have glaucoma, pyloric or duodenal obstruction, stenosing peptic ulcer, prostate enlargement or bladder-neck obstruction, cardiospasm (megaesophagus), or myasthenia gravis. The label describes its adverse reactions as mostly due to its mild anticholinergic action and usually associated with higher dosages. Those anticholinergic effects are common, especially at higher doses: dry mouth, blurred vision, difficulty urinating, constipation, fast heartbeat or palpitations, and in some people confusion. It can also cause temporary light-headedness, dizziness, fainting, and drowsiness, so do not drive or operate machinery until you know how it affects you. Alcohol and other medicines that slow you down, including opioids, sleep aids, and sedating antihistamines, intensify those effects.

Orphenadrine appears on the American Geriatrics Society Beers Criteria as potentially inappropriate for adults 65 and older, because of its anticholinergic burden, limited proven benefit, and fall risk. The label reports very rare cases of aplastic anemia in people taking orphenadrine, while noting that no causal relationship has been established. Because the safety of continuous long-term therapy has not been established, the label recommends periodic monitoring of blood, urine, and liver function values if the drug is prescribed for prolonged use. Use caution with a fast heart rate, cardiac decompensation, coronary insufficiency, or arrhythmias, and with liver or kidney problems. Overdose can be fatal. Keep it away from children, and get emergency help if too much is taken. This page is general information, not medical advice. Give your prescriber and pharmacist your full medicine list and talk with them about whether this drug is right for you.

Sources & accuracy

This Orphenadrine Citrate Er information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.

Verify the official label: Orphenadrine Citrate Er on DailyMed (FDA)

Reviewed against FDA labeling · Last reviewed July 2026

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