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How to Use
Flexeril may be taken with or without food.
Flexeril should be used only for short periods (no more than 3 weeks). Since the type of injury that Flexeril treats should improve in a few weeks,
there is no reason to use it for a longer period.
Flexeril may cause dry mouth. Sucking a hard candy, chewing gum, or melting ice chips in your mouth can provide temporary relief.
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Symptoms of overdose may include:
Symptoms of Flexeril overdose may include:
- Agitation, coma, confusion, congestive heart failure, convulsions, dilated pupils, disturbed concentration, drowsiness, hallucinations, high or low te
mperature, increased heartbeats, irregular heart rhythms, muscle stiffness, overactive reflexes, severe low blood pressure, stupor, vomiting
High doses also may cause any of the conditions li
sted in "What Side Effects May Occur?"
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What side effects can this medication cause?
Less common or rare side effects may include:
- low blood pressure, muscle twitching, nausea, nervousness, palpitations, paranoia, rash, ringing in the ears, severe allergic reaction, stomach an
d intestinal pain, sweating, swelling of the tongue or face, thirst, tingling in hands or feet, tremors, unpleasant taste in the mouth, urinating more or less than usual, vague feeling of bodily disco
mfort, vertigo, vomiting, weakness, yellow eyes and skin
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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 antihistamin
es 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 rela
xants; or anesthetics, including some dental anesthetics. Check with your doctor before taking any of the above while you are using this medicine
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What is this Drug
Cyclobenzaprine, a muscle relaxant, is used with rest, physical therapy, and other measures to relax muscles and relieve pain and discomfort caused by strains, sprains, and other muscle injuries.
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Drug Interactions
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 (C
NS) depressants (medicines that cause drowsiness) or
- Tricyclic antidepressants (amitriptyline [e.g., Elavil], amoxapine [e.g., Asendin], clomipramine [e.g., Anafranil], desipramine [e.g., Perto
frane], doxepin [e.g., Sinequan], imipramine [e.g., Tofranil], nortriptyline [e.g., Aventyl], protriptyline [e.g., Vivactil], trimipramine [e.g., Surmontil])¡XThe chance of side effects may be increas
d
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