Cyclobenzaprine or Flexeril Medication Information (dosing, side effects, patient counseling)

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Side Effects

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Cyclobenzaprine is also known as the brand names: Flexeril.
Cyclobenzaprine comes in 5, 7.5, 10, 15 and 30 mg tablets.
It is most commonly used to treat muscle spasms but can also be used to treat jaw pain due to temporomandibular disorder. No matter what your doctor has you taking cyclobenzaprine for, it is taken orally up to 15 mg a day. For extended release, take only one capsule a day and for immediate release take 5 mg tablets 3 times daily. Take your medication at the same time each day.
Some common side effects of cyclobenzaprine are drowsiness, dizziness, and dry mouth.
Some less common side effects are fatigue, headache, confusion, irritability, nervousness, abdominal pain, acid reflux, constipation, diarrhea, nausea, blurred vision, and unpleasant taste.
Do not take cyclobenzaprine if:
• You are taking a MAO inhibitor.
• You have hyperthyroidism, heart failure, irregular heartbeat, or heart block
• You are recovering from myocardial infarction
While taking cyclobenzaprine, it is important to remember to tell your doctor or pharmacist if you experience any of the following:
• Severe loss of strength and energy, lack of sweating, increased heart rate, abnormal heartbeat
• Signs of serotonin syndrome (dizziness, severe headache, agitation, hallucinations, abnormal heartbeat, etc.)
• Signs of an allergic reaction (wheezing, chest tightness, fever, itching, bad cough, blue skin color, seizures, etc.)
• If you start taking new medications, vitamins, or supplements
• Your condition does not improve or you develop new or worsening symptoms

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