Norflex (Orphenadrine Injection) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 8, 2012

Norflex

Lower Back Pain »

Low back pain facts

Functions of the low back, or lumbar area, include structural support, movement, and protection of certain body tissues.
Pain in the low back can relate to the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, and the skin covering the lumbar area.
Treatment of low back pain is optimally directed toward a diagnosed or suspected specific cause. For acute lumbar strain, use of a home remedy initially can be beneficial.

What is the anatomy of the low back?

The first step to understanding the various causes of low back pain is learning about the normal design (anatomy) of the tissues of this area. Important structures of the low back that can be related to symptoms there include the bony lumbar spine (vertebrae, singular = v...

Read the Lower Back Pain article »

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Norflex
(orphenadrine citrate) Injection

DRUG DESCRIPTION

Orphenadrine citrate is the citrate salt of orphenadrine (2-dimethylaminoethyl 2- methylbenzhydryl ether citrate). It occurs as a white, crystalline powder having a bitter taste. It is practically odorless; sparingly soluble in water, slightly soluble in alcohol.

Norflex Injection contains 60 mg of orphenadrine citrate in aqueous solution in each ampul. Norflex (orphenadrine) Injection also contains: sodium bisulfite NF, 2.0 mg; sodium chloride USP, 5.8 mg; sodium hydroxide, to adjust pH; and water for injection USP, q.s. to 2 mL.

What are the precautions when taking orphenadrine injection (Norflex)?

Before using orphenadrine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as sulfites), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: high pressure in the eye (glaucoma), stomach/intestinal ulcers or blockage, enlarged prostate, bladder problems, a certain esophagus problem (megaesophagus/cardiospasm), a certain type of muscle disease (myasthenia gravis).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (e.g.,...

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Last reviewed on RxList: 10/19/2010
This monograph has been modified to include the generic and brand name in many instances.