Major Side Effects

• If you experience fast heartbeat, chest pain, numbness, fainting, confusion or seizure you should get medical attention right away. Also seek medical attention if you have any signs of allergic reaction such as swelling or rash.
  
  

Minor Side Effects

• Some other reported side effects that have been reported when taking cyclobenzaprine include blurred vision, drowsiness, loss of appetite and muscle weakness.
  
  

Warnings

• Cyclobenzaprine can impair thinking and reaction time, so you should avoid driving or operating machinery. Alcohol should also be avoided while taking this medication.
  
  

Drug Interactions

• Drugs that have been shown to interact with cyclobenzaprine include Atropine, Atrovent, Cantil and Ultram. You should always tell your doctor about any medications or vitamins you are taking.
  
  

Overdose

• An overdose of cyclobenzaprine can be fatal. If you suspect that you have taken to much of this medication, seek medical help right away.