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Home Knowledge Center Wellness Library cyclobenzaprine

cyclobenzaprine

Pronunciation: sye kloe BEN za preen

Brand: Amrix, Comfort Pac with Cyclobenzaprine, Fexmid

Cyclobenzaprine Hydrochloride

slide 1 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, yellow, imprinted with 751, M

Image of Cyclobenzaprine Hydrochloride
slide 1 of 24

Cyclobenzaprine Hydrochloride

slide 2 of 24, Cyclobenzaprine Hydrochloride,

7.5 mg, round, white, imprinted with M, 761

Image of Cyclobenzaprine Hydrochloride
slide 2 of 24

Cyclobenzaprine Hydrochloride

slide 3 of 24, Cyclobenzaprine Hydrochloride,

5 mg, round, blue, imprinted with M, 771

Image of Cyclobenzaprine Hydrochloride
slide 3 of 24

Cyclobenzaprine Hydrochloride

slide 4 of 24, Cyclobenzaprine Hydrochloride,

5 mg, round, white, imprinted with WATSON, 3256

Image of Cyclobenzaprine Hydrochloride
slide 4 of 24

Cyclobenzaprine Hydrochloride

slide 5 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with 5658, DAN

Image of Cyclobenzaprine Hydrochloride
slide 5 of 24

Cyclobenzaprine Hydrochloride

slide 6 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with DAN, 5658

Image of Cyclobenzaprine Hydrochloride
slide 6 of 24

Cyclobenzaprine Hydrochloride

slide 7 of 24, Cyclobenzaprine Hydrochloride,

5 mg, round, orange, imprinted with K6

Image of Cyclobenzaprine Hydrochloride
slide 7 of 24

Cyclobenzaprine Hydrochloride

slide 8 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, yellow, imprinted with K 7

Image of Cyclobenzaprine Hydrochloride
slide 8 of 24

Cyclobenzaprine Hydrochloride

slide 9 of 24, Cyclobenzaprine Hydrochloride,

5 mg, round, orange, imprinted with TL211

Image of Cyclobenzaprine Hydrochloride
slide 9 of 24

Cyclobenzaprine Hydrochloride

slide 10 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with DAN, 5658

Image of Cyclobenzaprine Hydrochloride
slide 10 of 24

Amrix

slide 11 of 24, Amrix,

15 mg, capsule, orange, imprinted with C Cephalon, 15 mg

Image of Amrix
slide 11 of 24

Amrix

slide 12 of 24, Amrix,

30 mg, capsule, blue/orange, imprinted with C Cephalon, 30 mg

Image of Amrix
slide 12 of 24

Cyclobenzaprine Hydrochloride

slide 13 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, yellow, imprinted with AN 41

Image of Cyclobenzaprine Hydrochloride
slide 13 of 24

Cyclobenzaprine Hydrochloride

slide 14 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with DAN, 5658

Image of Cyclobenzaprine Hydrochloride
slide 14 of 24

Cyclobenzaprine Hydrochloride

slide 15 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, yellow, imprinted with AN 41

Image of Cyclobenzaprine Hydrochloride
slide 15 of 24

Cyclobenzaprine Hydrochloride

slide 16 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, yellow, imprinted with GG 288

Image of Cyclobenzaprine Hydrochloride
slide 16 of 24

Cyclobenzaprine Hydrochloride

slide 17 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with MP 577

Image of Cyclobenzaprine Hydrochloride
slide 17 of 24

Cyclobenzaprine Hydrochloride

slide 18 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, orange, imprinted with 751, M

Image of Cyclobenzaprine Hydrochloride
slide 18 of 24

Cyclobenzaprine Hydrochloride

slide 19 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with DAN, 5658

Image of Cyclobenzaprine Hydrochloride
slide 19 of 24

Cyclobenzaprine Hydrochloride

slide 20 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, yellow, imprinted with PLIVA, 563

Image of Cyclobenzaprine Hydrochloride
slide 20 of 24

Cyclobenzaprine Hydrochloride

slide 21 of 24, Cyclobenzaprine Hydrochloride,

10 mg, round, white, imprinted with 5658, DAN

Image of Cyclobenzaprine Hydrochloride
slide 21 of 24

Cyclobenzaprine Hydrochloride

slide 22 of 24, Cyclobenzaprine Hydrochloride,

5 mg, round, white, imprinted with WATSON, 3256

Image of Cyclobenzaprine Hydrochloride
slide 22 of 24

Flexeril

slide 23 of 24, Flexeril,

10 mg, pentagonal, yellow, imprinted with FLEXERIL, MSD 931

Image of Flexeril
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Flexeril

slide 24 of 24, Flexeril,

5 mg, pentagonal, peach, imprinted with FLEXERIL

Image of Flexeril
slide 24 of 24
What is the most important information I should know about cyclobenzaprine?

What is the most important information I should know about cyclobenzaprine?

You should not use cyclobenzaprine if you have a thyroid disorder, heart block, congestive heart failure, a heart rhythm disorder, or you have recently had a heart attack.

Do not use cyclobenzaprine if you have taken an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, or tranylcypromine.

What is cyclobenzaprine?

What is cyclobenzaprine?

Cyclobenzaprine is a muscle relaxant. It works by blocking nerve impulses (or pain sensations) that are sent to your brain.

Cyclobenzaprine is used together with rest and physical therapy to relieve muscle spasms caused by painful conditions such as an injury.

Cyclobenzaprine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking cyclobenzaprine?

What should I discuss with my healthcare provider before taking cyclobenzaprine?

You should not use cyclobenzaprine if you are allergic to it, or if you have:

  • a thyroid disorder;
  • heart block, heart rhythm disorder, congestive heart failure; or
  • if you have recently had a heart attack.

Cyclobenzaprine is not approved for use by anyone younger than 15 years old.

Do not use cyclobenzaprine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

Some medicines can interact with cyclobenzaprine and cause a serious condition called serotonin syndrome. Be sure your doctor knows if you also take stimulant medicine, opioid medicine, herbal products, or medicine for depression, mental illness, Parkinson's disease, migraine headaches, serious infections, or prevention of nausea and vomiting. Ask your doctor before making any changes in how or when you take your medications.

Tell your doctor if you have ever had:

  • liver disease;
  • glaucoma;
  • enlarged prostate; or
  • problems with urination.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It may not be safe to breast-feed while using this medicine. Ask your doctor about any risk.

Older adults may be more sensitive to the effects of this medicine.

How should I take cyclobenzaprine?

How should I take cyclobenzaprine?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Cyclobenzaprine is usually taken once daily for only 2 or 3 weeks. Follow your doctor's dosing instructions very carefully.

Swallow the capsule whole and do not crush, chew, break, or open it.

Take the medicine at the same time each day.

Call your doctor if your symptoms do not improve after 3 weeks, or if they get worse.

Store at room temperature away from moisture, heat, and light.

What happens if I miss a dose?

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of cyclobenzaprine can be fatal.

Overdose symptoms may include severe drowsiness, vomiting, fast heartbeats, tremors, agitation, or hallucinations.

What should I avoid while taking cyclobenzaprine?

What should I avoid while taking cyclobenzaprine?

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

Avoid drinking alcohol. Dangerous side effects could occur.

What are the possible side effects of cyclobenzaprine?

What are the possible side effects of cyclobenzaprine?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using cyclobenzaprine and call your doctor at once if you have:

  • fast or irregular heartbeats;
  • chest pain or pressure, pain spreading to your jaw or shoulder; or
  • sudden numbness or weakness (especially on one side of the body), slurred speech, balance problems.

Seek medical attention right away if you have symptoms of serotonin syndrome, such as: agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea.

Serious side effects may be more likely in older adults.

Common side effects may include:

  • drowsiness, tiredness;
  • headache, dizziness;
  • dry mouth; or
  • upset stomach, nausea, constipation.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect cyclobenzaprine?

What other drugs will affect cyclobenzaprine?

Using cyclobenzaprine with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.

Tell your doctor about all your other medicines, especially:

  • bupropion (Zyban, for smoking cessation);
  • meperidine;
  • tramadol;
  • verapamil;
  • cold or allergy medicine that contains an antihistamine (Benadryl and others);
  • medicine to treat Parkinson's disease;
  • medicine to treat excess stomach acid, stomach ulcer, motion sickness, or irritable bowel syndrome;
  • medicine to treat overactive bladder; or
  • bronchodilator asthma medication.

This list is not complete. Other drugs may affect cyclobenzaprine, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Where can I get more information?

Where can I get more information?

Your pharmacist can provide more information about cyclobenzaprine.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

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