FLEXERIL

Do not take Flexeril if you have used an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam) within the past 14 days. Serious, life-threatening side effects can occur if you take Flexeril before the MAO inhibitor has cleared from your body.<>/p>

You should not take Flexeril if you have recently had a heart attack, or if you have a heart rhythm disorder, congestive heart failure, heart block, or an overactive thyroid.

Flexeril can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol, which can increase some of the side effects of Flexeril.

Do not take Flexeril if you have used an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam) within the past 14 days. Serious, life-threatening side effects can occur if you take Flexeril before the MAO inhibitor has cleared from your body. Do not use Flexeril if you have recently had a heart attack, or if you have:

• a heart rhythm disorder;
• congestive heart failure;
• heart block; or
• an overactive thyroid.

Before using Flexeril, tell your doctor if you are allergic to any drugs, or if you have:

• problems with urination;
• enlarged prostate;
• glaucoma; or
• liver disease.
• If you have any of these conditions, you may need a dose adjustment or special tests to safely take Flexeril.

FDA pregnancy category B. Flexeril is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether cyclobenzaprine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Flexeril:

Constipation; diarrhea; dizziness; drowsiness; dry mouth; fatigue; nausea; nervousness; stomach pain or upset.

Seek medical attention right away if any of these SEVERE side effects occur when using Flexeril:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; confusion; fainting; fast or irregular heartbeat; mental or mood changes; numbness of an arm or a leg; one-sided weakness; seizures; sudden severe stomach pain; severe dizziness or vomiting; speech or vision problems; trouble urinating; yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects.