Norflex

(orphenadrine)

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Relaxes your muscles.

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Norflex (orphenadrine) can be used for relaxing muscle spasms and it also can relieve pain.

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Quick facts about Norflex
  • Drug class: Musculoskeletal
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (orphenadrine)

Upsides

  • More effective than placebo for treatment of muscle spasms and nonspecific musculoskeletal pain in the short term.
  • Extended release pills last 12 hours.
  • Available as generic.
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Downsides

  • Not a first choice treatment for muscle spasms.
  • Norflex (orphenadrine) can make you sleepy or drowsy.
  • At higher doses, Norflex (orphenadrine) can make you confused or hallucinate.
  • Dry mouth and difficulty urinating can happen at higher doses.
  • Pills cannot be crushed and must be swallowed whole.
  • Can't be used in people with glaucoma, certain types of bowel obstruction or peptic ulcers, prostatic hypertrophy, certain urinary problems, cardio-spasm (megaesophagus) and myasthenia gravis.
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What to expect from Norflex, on one page

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How it works

Although it's not clear how Norflex (orphenadrine) relaxes skeletal muscles, it is thought to be related to its effects on the nervous system and pain relieving properties.

Quick facts about Norflex
  • Drug class: Musculoskeletal
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (orphenadrine)

Used for

Dosage forms

  • Extended release pill
  • Pill
  • Injection
Tried Norflex? Write a review!

Prices and coupons

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What to expect when you take Norflex (orphenadrine) for Muscle spasms

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  • Effectiveness
  • Full effects
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  • Possible side effects
  • Dry mouth
  • Sleepiness and dizziness
  • Difficulty urinating/constipation
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Side effect rates for Norflex (orphenadrine)

Risks and Warnings for Norflex (orphenadrine)

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    • Higher risk if:
    • › Taking other medications that also cause sleepiness
    • › Recreational drug use
    • › Excessive alcohol use

    Taking Norflex (orphenadrine) can make you feel sleepy and dizzy. If you're taking other medications that can also make you feel sleepy, or if you're taking recreational drugs or drinking too much alcohol, it can be even worse. Avoid driving or doing other tasks that require concentration until you know how this medication affects you. Get up very slowly from a seated or lying down position.

Common concerns from people taking Norflex (orphenadrine)

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Sleep
  • Taking Norflex (orphenadrine) can make you feel sleepy and dizzy. If you're taking other medications that can also make you feel sleepy, or if you're taking recreational drugs or drinking too much alcohol, it can be even worse. Avoid driving or doing other tasks that require concentration until you know how this medication affects you. Get up very slowly from a seated or lying down position.
  • Norflex (orphenadrine) can make you feel very tired or sleepy. Don't drive or do anything that requires concentration until you know how it affects you.
  • Taking Norflex (orphenadrine) with alcohol or narcotics can worsen the drowsiness.
  • Norflex (orphenadrine) can make you sleepy or drowsy.