What should I know about Amrix before using it?

Amrix (generic name cyclobenzaprine) may cause problems for people who have heart disease or who have had arrhythmia (irregular heartbeat) or a heart attack. It may also be unsuitable for those with a thyroid problem, glaucoma, liver disease or difficult urination. Amrix can cause you to feel drowsy or dizzy, so see how it affects you before driving or doing other tasks that require alertness. Women who are pregnant or breastfeeding should check with their doctors about the safety of this medication. In addition, this drug can cause side effects, including allergic reaction. Before you take it, you should be aware of the possible side effects and what to do if they occur.