Flexeril (Cyclobenzaprine Hydrochloride)

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Cyclobenzaprine Hydrochloride Information

CYCLOBENZAPRINE (sye kloe BEN za preen) is a muscle relaxer. It is used to treat muscle pain, spasms, and stiffness.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

They need to know if you have any of these conditions: -heart disease, irregular heartbeat, or previous heart attack -liver disease -thyroid problem -an unusual or allergic reaction to cyclobenzaprine, tricyclic antidepressants, lactose, other medicines, foods, dyes, or preservatives -pregnant or trying to get pregnant -breast-feeding

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. If this medicine upsets your stomach, take it with food or milk. Take your medicine at regular intervals. Do not take it more often than directed. Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Do not take this medicine with any of the following medications: -certain medicines for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole -cisapride -dofetilide -dronedarone -halofantrine -levomethadyl -MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate -narcotic medicines for cough -pimozide -thioridazine -ziprasidone This medicine may also interact with the following medications: -alcohol -antihistamines for allergy, cough and cold -certain medicines for anxiety or sleep -certain medicines for cancer -certain medicines for depression like amitriptyline, fluoxetine, sertraline -certain medicines for infection like alfuzosin, chloroquine, clarithromycin, levofloxacin, mefloquine, pentamidine, troleandomycin -certain medicines for irregular heart beat -certain medicines for seizures like phenobarbital, primidone -contrast dyes -general anesthetics like halothane, isoflurane, methoxyflurane, propofol -local anesthetics like lidocaine, pramoxine, tetracaine -medicines that relax muscles for surgery -narcotic medicines for pain -other medicines that prolong the QT interval (cause an abnormal heart rhythm) -phenothiazines like chlorpromazine, mesoridazine, prochlorperazine

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

Tell your doctor or health care professional if your symptoms do not start to get better or if they get worse. You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks. If you are taking another medicine that also causes drowsiness, you may have more side effects. Give your health care provider a list of all medicines you use. Your doctor will tell you how much medicine to take. Do not take more medicine than directed. Call emergency for help if you have problems breathing or unusual sleepiness. Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

Side effects that you should report to your doctor or health care professional as soon as possible: -allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue -breathing problems -chest pain -fast, irregular heartbeat -hallucinations -seizures -unusually weak or tired Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome): -headache -nausea, vomiting

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Keep out of the reach of children. Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Cyclobenzaprine Hydrochloride Oral tablet