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PRECAUTIONS: Before taking cyclobenzaprine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: overactive thyroid (hyperthyroidism), irregular heartbeats (arrhythmia), other heart problems (congestive heart failure, heart block or conduction disorders), recent heart attack, moderate or severe liver disease.Before using this medication, tell your doctor or pharmacist your medical history, especially of: severe difficulty urinating (urinary retention), glaucoma, mild liver disease.This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position.Caution is advised when using this drug in the elderly because they may be more sensitive to its side effects, especially drowsiness, mental/mood changes, and possibly heart problems which could lead to a fall.This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.Based on information for similar drugs, cyclobenzaprine may pass into breast milk. Therefore, consult your doctor before breast-feeding.

DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.Avoid taking MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) within 2 weeks before starting or after stopping treatment with this medication. In some cases, a serious, possibly fatal, drug interaction may occur.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: certain types of asthma drugs (e.g., albuterol, salmeterol), cimetidine, clonidine, guanethidine, guanadrel, SSRI antidepressants (e.g., fluoxetine, citalopram), stimulants and weight loss products (e.g., ephedrine, dextroamphetamine, phenylephrine), tramadol, tricyclic antidepressants (e.g., amitriptyline, imipramine).Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: anti-anxiety drugs (e.g., diazepam), antihistamines that cause drowsiness (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep (e.g., sedatives), narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine), tranquilizers.Check all prescription and nonprescription medicine labels (e.g., cough-and-cold products, diet aids, acid reducers) because they may contain ingredients which could increase the risk of side effects with cyclobenzaprine. Ask your pharmacist about the safe use of those products.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.