|What are the possible side effects of
If you experience any of the following serious side effects, stop taking
cyclobenzaprine and seek emergency medical attention:
An allergic reaction (difficulty breathing; closing of your throat;
swelling of your lips, tongue, or face; or hives); seizures,
hallucinations, or confusion; blurred vision; increased heart rate; or
Other, less serious side effects may be more likely to occur. Continue to
take cyclobenzaprine and talk to your doctor if you experience drowsiness
or dizziness; dry mouth or a bad taste in your mouth; insomnia; difficulty
urinating; or sweating.
If you stop taking this medication suddenly, you may experience some
Side effects other than those listed here may also occur. Talk to your
doctor about any side effect that seems unusual or that is especially
What other drugs will affect cyclobenzaprine?
Do not take cyclobenzaprine if you have taken a monoamine oxidase
inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or
tranylcypromine (Parnate) in the last 14 days. Dangerous side effects
Many drugs can increase drowsiness associated with cyclobenzaprine:
antihistamines such as brompheniramine (Dimetane, Bromfed, others),
chlorpheniramine (Chlor-Trimeton, Teldrin, others), azatadine (Optimine),
clemastine (Tavist), and many others; narcotics (pain killers) such as
meperidine (Demerol), morphine (MS Contin, MSIR, others), propoxyphene
(Darvon, Darvocet), hydrocodone (Lorcet, Vicodin), oxycodone (Percocet,
Percodan), fentanyl (Duragesic), and codeine (Fiorinal, Fioricet, Tylenol
#3, others); sedatives such as phenobarbital (Solfoton, Luminal),
amobarbital (Amytal), and secobarbital (Seconal); phenothiazines such as
chlorpromazine (Thorazine), fluphenazine (Prolixin), mesoridazine
(Serentil), perphenazine (Trilafon), prochlorperazine (Compazine),
thioridazine (Mellaril), and trifluoperazine (Stelazine); or
antidepressants such as doxepin (Sinequan), imipramine (Tofranil),
nortriptyline (Pamelor), fluoxetine (Prozac), paroxetine (Paxil),
sertraline (Zoloft), phenelzine (Nardil), and tranylcypromine (Parnate).
Do not take any of the drugs listed above without the approval of your
The stomach medicine cimetidine (Tagamet, Tagamet HB) and pain relievers
such as aspirin, ibuprofen (Motrin, Advil), indomethacin (Indocin),
ketoprofen (Orudis, Orudis KT, Oruvail), fenoprofen (Nalfon), flurbiprofen
(Ansaid), naproxen (Aleve, Anaprox, Naprosyn), and nabumetone (Relafen)
may all increase the pain-relieving effects of cyclobenzaprine. Use these
drugs under the supervision of your doctor.
Drugs other than those listed here may also interact with cyclobenzaprine.
Talk to your doctor and pharmacist before taking any prescription or