Important Facts About Cyclobenzaprine 10mg

Cyclobenzaprine hydrochloride, also called by the well-known brand name of Flexeril, is a prescription muscle relaxant. This medication is used to treat muscle spasms caused by painful medical conditions and acute injuries. In some cases, doctors may prescribe cyclobenzaprine to patients who suffer from fibromyalgia and insomnia. By blocking the nerve impulses that tighten affected muscles, cyclobenzaprine relaxes these muscles, subsequently relieving the associated stiffness and pain.

Dosage Information

Many adults are prescribed a cyclobenzaprine 10mg tablet to be taken three times per day, not to exceed 60mg in a 24-hour period. For some people, such as the elderly, liver patients and those who have never taken muscle relaxants, a more suited dosage may be 5mg tablets at less frequent intervals. This muscle relaxant can be taken on an empty stomach or with a meal, depending on the patient’s sensitivity to the medication.

The recommended time limit for a cyclobenzaprine treatment course is no longer than three weeks. For the majority of muscle injuries to heal, two to three weeks is enough time. Although the cyclobenzaprine 10mg tablet is the most commonly prescribed adult dose, a patient’s body weight, other regularly taken medications and certain medical conditions may require a different dosage.

Side Effects and Warning Signs

As with virtually all medications, cyclobenzaprine may cause side effects of varying degrees. Some of the most commonly reported side effects are:

  • Blurry vision
  • Changed sense of taste
  • Concentration problems
  • Constipation
  • Dizziness
  • Drowsiness
  • Dry mouth
  • Headaches
  • Nausea
  • Stomach irritation.

Patients who experience more problematic side effects should contact their doctor as soon as possible. Severe side effects of cyclobenzaprine include:

  • Abnormal heartbeats
  • Agitated behavior
  • Coordination loss
  • Fever
  • Hallucinations
  • Increased heart rate
  • Overwhelming drowsiness
  • Tremors
  • Uncontrollable reflexes.

In the case of an allergic reaction, immediate medical attention is necessary. Signs of a cyclobenzaprine allergy are:

  • Breathing difficulties
  • Hives
  • Facial, throat or tongue swelling.

Considerations and Warnings

Because cyclobenzaprine may cause drowsiness, patients should refrain from driving and participating in other activities that require alertness. Heavy machinery should never be used while taking this medication.

Those who suffer from certain conditions, like angle-closure glaucoma, increased eye pressure or urinary retention, are advised to review their medical history with a doctor. The effectiveness of cyclobenzaprine may be reduced by the aforementioned medical problems. Patients who have congestive heart failure, coronary artery disease, a thyroid disorder or suffered from a recent heart attack should refrain from taking cyclobenzaprine. When taken with an MAO inhibitor, cyclobenzaprine can cause a life-threatening drug interaction; therefore, patients must wait at least 14 days from their last MAO inhibitor dose before starting a cyclobenzaprine regimen.

Cyclobenzaprine is not meant for children who are under the age of 15 as this medication’s safety has not yet been established. It is also not recommended for pregnant women to take this muscle relaxant unless the needed benefits prove greater than the possible risks. Breast-feeding mothers should be aware that cyclobenzaprine can be passed to their infants via breast milk. These patients can talk to their physician to learn how this medication may affect their baby.


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