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CYCLOBENZAPRINE
CYCLOBENZAPRINE ONLINE
Before Using This Medicine
In deciding to use a medicine, the risks of taking the medicine
must be weighed against the good it will do. This is a decision
you and your doctor will make. For cyclobenzaprine, the following
should be considered:
Allergies—Tell your doctor if you have ever
had any unusual or allergic reaction to cyclobenzaprine. Also tell
your health care professional if you are allergic to any other
substances, such as foods, preservatives, or dyes.
Pregnancy—Studies on birth defects with
cyclobenzaprine have not been done in humans. However,
cyclobenzaprine has not been shown to cause birth defects or other
problems in animal studies.
Breast-feeding—It is not known whether
cyclobenzaprine passes into breast milk. Although most medicines
pass into the breast milk in small amounts, many of them may be
used safely while breast-feeding. Mothers who are taking this
medicine and who wish to breast-feed should discuss this with
their doctor.
Children—Studies on this medicine have been
done only in adult patients, and there is no specific information
comparing use of cyclobenzaprine in children with use in other age
groups.
Teenagers—Studies on this medicine have been
done only in adult patients, and there is no specific information
comparing use of cyclobenzaprine in teenagers up to 15 years of
age with use in other age groups.
Older adults—Many medicines have not been
studied specifically in older people. Therefore, it may not be
known whether they work exactly the same way they do in younger
adults or if they cause different side effects or problems in
older people. There is no specific information comparing use of
cyclobenzaprine in the elderly with use in other age groups.
Other medicines—Although certain medicines
should not be used together at all, in other cases two different
medicines may be used together even if an interaction might occur.
In these cases, your doctor may want to change the dose, or other
precautions may be necessary. When you are taking cyclobenzaprine,
it is especially important that your health care professional know
if you are taking any of the following:
 | Alcohol or
| Central nervous system (CNS) depressants (medicines that
cause drowsiness) or
| Tricyclic antidepressants (amitriptyline [e.g., Elavil],
amoxapine [e.g., Asendin], clomipramine [e.g., Anafranil],
desipramine [e.g., Pertofrane], doxepin [e.g., Sinequan],
imipramine [e.g., Tofranil], nortriptyline [e.g., Aventyl],
protriptyline [e.g., Vivactil], trimipramine [e.g., Surmontil])—The
chance of side effects may be increased |
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| Monoamine oxidase (MAO) inhibitors (furazolidone [e.g.,
Furoxone], phenelzine [e.g., Nardil], procarbazine [e.g.,
Matulane], selegiline (e.g., Eldepryl), tranylcypromine [e.g.,
Parnate])—Taking cyclobenzaprine while you are taking or
within 2 weeks of taking MAO inhibitors may increase the
chance of side effects |
Proper Use of This Medicine
Take this medicine only as directed by your doctor. Do not take
more of it and do not take it more often than your doctor ordered.
To do so may increase the chance of serious side effects.
Dosing—
The dose of cyclobenzaprine will be different for different
people. Follow your doctor's orders or the directions on the
label. The following information includes only the average
doses of cyclobenzaprine. If your dose is different, do not
change it unless your doctor tells you to do so.
| For the oral dosage form (tablets):
| For relaxing stiff muscles:
| Adults and teenagers 15 years of age and older—The
usual dose is 10 milligrams (mg) three times a day.
The largest amount should be no more than 60 mg (six
10-mg tablets) a day.
| Children and teenagers up to 15 years of age—Dose
must be determined by your doctor. |
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Missed dose—
If you miss a dose of this medicine and remember within an hour
or so of the missed dose, take it right away. Then go back to your
regular dosing schedule. But if you do not remember until later,
skip the missed dose and go back to your regular dosing schedule.
Do not double doses.
Storage—
To store this medicine:
| Keep out of the reach of children.
| Store away from heat and direct light.
| Do not store this medicine in the bathroom, near the kitchen
sink, or in other damp places. Heat or moisture may cause the
medicine to break down.
| Do not keep outdated medicine or medicine no longer needed.
Be sure that any discarded medicine is out of the reach of
children. |
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Precautions While Using This Medicine
This medicine will add to the effects of alcohol and other CNS
depressants (medicines that slow down the nervous system, possibly
causing drowsiness). Some examples of CNS depressants are
antihistamines or medicine for hay fever, other allergies, or
colds; sedatives, tranquilizers, or sleeping medicine;
prescription pain medicine or narcotics; barbiturates; medicine
for seizures; other muscle relaxants; or anesthetics, including
some dental anesthetics. Check with your doctor before taking
any of the above while you are using this medicine .
This medicine may cause some people to have blurred vision or
to become drowsy, dizzy, or less alert than they are normally. Make
sure you know how you react to this medicine before you drive, use
machines, or do anything else that could be dangerous if you are
dizzy or are not alert and able to see well.
Cyclobenzaprine may cause dryness of the mouth. For temporary
relief, use sugarless candy or gum, melt bits of ice in your
mouth, or use a saliva substitute. However, if your mouth
continues to feel dry for more than 2 weeks, check with your
medical doctor or dentist. Continuing dryness of the mouth may
increase the chance of dental disease, including tooth decay, gum
disease, and fungus infections.
Side Effects of This Medicine
Along with its needed effects, a medicine may cause some
unwanted effects. Although not all of these side effects may
occur, if they do occur they may need medical attention.
The following side effects may mean that you are having a
serious allergic reaction to the medicine. Get emergency help
right away if any of them occur:
| Rare
| Changes in the skin color of the face; fast or
irregular breathing; large swellings that look like
hives on the face, eyelids, mouth, lips, and/or tongue;
puffiness or swelling of the eyelids or the area around
the eyes ; shortness of breath, troubled breathing,
tightness in chest, and/or wheezing; skin rash,
hives, or itching |
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Also, check with your doctor immediately if any of the
following side effects occur:
| Rare
| Fainting |
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| Symptoms of overdose
| Convulsions (seizures); drowsiness (severe) ;
dry, hot, flushed skin; fast or irregular heartbeat;
hallucinations (seeing, hearing, or feeling things that
are not there); increase or decrease in body
temperature; troubled breathing; unexplained
muscle stiffness; unusual nervousness or
restlessness (severe); vomiting (occurring together
with other symptoms of overdose) |
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Also, check with your doctor as soon as possible if any of the
following side effects occur:
| Rare
| Clumsiness or unsteadiness; confusion ;
mental depression or other mood or mental changes ;
problems in urinating; ringing or buzzing in the
ears; skin rash, hives, or itching occurring without
other symptoms of an allergic reaction listed above;
unusual thoughts or dreams; yellow eyes or skin |
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Other side effects may occur that usually do not need medical
attention. These side effects may go away during treatment as your
body adjusts to the medicine. However, check with your doctor if
any of the following side effects continue or are bothersome:
| More common
| Blurred vision; dizziness or lightheadedness ;
drowsiness; dryness of mouth |
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| Less common or rare
| Bloated feeling or gas, indigestion, nausea or vomiting,
or stomach cramps or pain; constipation;
diarrhea; excitement or nervousness; frequent
urination; general feeling of discomfort or illness;
headache; muscle twitching; numbness,
tingling, pain, or weakness in hands or feet;
pounding heartbeat ; problems in speaking;
trembling; trouble in sleeping; unpleasant
taste or other taste changes; unusual muscle
weakness; unusual tiredness |
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Other side effects not listed above may also occur in some
patients. If you notice any other effects, check with your doctor.
Additional Information
Once a medicine has been approved for marketing for a certain
use, experience may show that it is also useful for other medical
problems. Although this use is not included in product labeling,
cyclobenzaprine is used in certain patients with fibromyalgia
syndrome (also called fibrositis or fibrositis syndrome).
There is no additional information relating to proper use,
precautions, or side effects for this use of cyclobenzaprine.
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