Flexeril (Cyclobenzoprine Hcl): Uses, Dosage & Side Effects

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(Last Updated On: June 16, 2016)

Flexeril (cyclobenzaprine) is a muscle relaxant. It acts by blocking nerve impulses that are sent to the brain.

It is mainly used to treat the skeletal muscle conditions, such as pain and injury.

Information about flexeril:

It is not to be used if the patient using MAO inhibitor such as isocarboxazid with the past 14days. It is not to be used if you have a severe heart attack and a heart rhythm disorder, congestive heart failure, heart block.

It can cause the side effects that may affect the thinking abilities of the brain, be careful when the high alertness needed. Avoid drinking alcohol which can increase the side effects of this drug.

Dosage pattern of flexeril:

For the most of the patients, the recommended dose of this drug is 5mg to be taken orally for 3 times a day and it may increase up to 10mg three times a day, usage of this drug is of periods longer than the two or more weeks is not recommended. Less frequent dosing for the hepatic impaired patients. It can be used as the exactly how the doctor has prescribed, directions written on the prescription label should be followed by the patient. It is not to be used in small or large doses and also no longer than prescribed.

Flexiril overdose:

The overdose of flexeril may fatal, seek immediate help from the doctor

Symptoms include:


  • Fainting
  • Convulsions
  • Dry skin
  • Irregular heartbeat
  • Hallucinations
  • Increase or decrease in body temperature
  • Trouble breathing
  • Vomiting
  • Nervousness
  • Muscle stiffness

Flexeril side effects:

Severity: major

  • Fainting
  • Fast and irregular breathing
  • Skin rashes
  • Confusion
  • Ringing sound in the ears
  • Yellow skin and eyes
  • Problems in urination
  • Mental changes
  • Mental depression

Severity: minor

  • Blurred vision
  • Dry mouth
  • Dizziness
  • Diarrhea
  • Frequent urination
  • Headache
  • Trembling
  • Insomnia
  • Unusual tiredness
  • Unpleasant taste
  • Problem with speaking
  • Muscle pain
  • Constipation

Flexeril: brand names , price list

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