"Sept. 14, 2011 -- Low doses of the muscle relaxant cyclobenzaprine, taken at bedtime, help people with fibromyalgia sleep better and feel less pain, according to a small study.
"Bedtime treatment of fibromyalgia patients with low-dose"...
Flexeril Patient Information including If I Miss a Dose
In this Article
- What is cyclobenzaprine (Flexeril)?
- What are the possible side effects of cyclobenzaprine (Flexeril)?
- What is the most important information I should know about cyclobenzaprine (Flexeril)?
- What should I discuss with my doctor before taking cyclobenzaprine (Flexeril)?
- How should I take cyclobenzaprine (Flexeril)?
- What happens if I miss a dose (Flexeril)?
- What happens if I overdose (Flexeril)?
- What should I avoid while taking cyclobenzaprine (Flexeril)?
- What other drugs will affect cyclobenzaprine (Flexeril)?
- Where can I get more information?
What happens if I miss a dose (Flexeril)?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Flexeril)?
Seek emergency medical attention if you think you have used too much of this medicine. An overdose of cyclobenzaprine can be fatal.
Overdose symptoms may include drowsiness, fast heartbeat, tremors or shaking, slurred speech, confusion, nausea, vomiting, hallucinations (seeing things), chest pain, or seizure (convulsions).
What should I avoid while taking cyclobenzaprine (Flexeril)?
Cyclobenzaprine 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 cyclobenzaprine.
Cold or allergy medicine, narcotic pain medicine, sleeping pills, and medicine for seizures, depression or anxiety can add to sleepiness caused by cyclobenzaprine. Tell your doctor if you regularly use any of these medicines, or any other muscle relaxer.
What other drugs will affect cyclobenzaprine (Flexeril)?
Many drugs can interact with cyclobenzaprine. Below is just a partial list. Tell your doctor if you are using:
- atropine (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);
- a bronchodilator such as ipratroprium (Atrovent) or tiotropium (Spiriva);
- glycopyrrolate (Robinul);
- guanethidine (Ismelin);
- mepenzolate (Cantil);
- tramadol (Ultram);
- bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare); or
- irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Anaspaz, Cystospaz, Levsin, and others), or propantheline (Pro-Banthine).
This list is not complete and there may be other drugs that can interact with cyclobenzaprine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about cyclobenzaprine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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Additional Flexeril Information
- Flexeril Drug Interactions Center: cyclobenzaprine oral
- Flexeril Side Effects Center
- Flexeril Overview including Precautions
- Flexeril FDA Approved Prescribing Information including Dosage
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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.
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