Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Cyclobenzaprine.

Drowsiness/reduced alertness: Cyclobenzaprine may impair the ability to perform hazardous tasks such as operating machinery or driving a vehicle. Do not drive or engage in other activities requiring alertness until you determine how the medication affects you.

Glaucoma: Cyclobenzaprine may cause increased pressure in the eye, triggering symptoms of glaucoma. If you have glaucoma or elevated pressure in your eye(s), discuss with your doctor how Cyclobenzaprine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Cyclobenzaprine, and whether any special monitoring is needed.

Length of treatment: The use of cyclobenzaprine for periods longer than 2 or 3 weeks is not recommended.

Liver function: Liver disease or reduced liver function may cause Cyclobenzaprine to build up in the body, causing side effects. If you have liver problems, discuss with your doctor how Cyclobenzaprine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Cyclobenzaprine, and whether any special monitoring is needed.

Serotonin syndrome: Severe reactions are possible when cyclobenzaprine is combined with other medications that act on serotonin, such as certain antidepressants and certain medications for migraine headache. Symptoms of a reaction may include muscle rigidity and spasms, difficulty moving, changes in mental state including delirium and agitation. Coma and death are possible.

If you are taking other medications, discuss with your doctor how these medications may affect your medical condition, how your medical condition may affect the dosing and effectiveness of these medications, and whether any special monitoring is needed.

Urinary problems: Cyclobenzaprine can make urination difficult. People who have difficulty starting urine flow may find that this becomes worse while taking Cyclobenzaprine. If you have a history of urinary retention, discuss with your doctor how Cyclobenzaprine may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Cyclobenzaprine, and whether any special monitoring is needed.

Pregnancy: Cyclobenzaprine should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking Cyclobenzaprine, contact your doctor immediately.

Breast-feeding: Cyclobenzaprine may pass into breast milk. If you are a breast-feeding mother and are taking cyclobenzaprine, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.

Children: The safety and effectiveness of cyclobenzaprine for children below the age of 15 have not been established.