IMPORTANT NOTE: The following information is intended to supplement, not
substitute for, the expertise and judgment of your physician, pharmacist or
other healthcare professional. It should not be construed to indicate that use
of the drug is safe, appropriate, or effective for you. Consult your healthcare
professional before using this drug.
TIZANIDINE - ORAL (tize-AN-ih-deen)
COMMON BRAND NAME(S): Zanaflex
USES: This medication is used to treat muscle spasms.
HOW TO USE: Take as directed. Your dosage will probably need to be
adjusted by your doctor initially to achieve satisfactory results. Follow
directions exactly.
SIDE EFFECTS: Nausea, drowsiness, dizziness, constipation, unusual
weakness or dry mouth might occur. If these continue or are bothersome, notify
your doctor. To minimize dizziness, stand up slowly when arising from a sitting
or lying position. Notify your doctor if you develop: yellowing skin or eyes,
stomach pain, vomiting, hallucinations. Very unlikely but report: vision or
hearing changes, urinary frequency or burning, slow or irregular heartbeat,
black stool. An allergic reaction to this drug is unlikely, but seek immediate
medical attention if it occurs. Symptoms of an allergic reaction include rash,
itching, dizziness, trouble breathing. If you notice other effects not listed
above, contact your doctor or pharmacist.
PRECAUTIONS: Before taking this drug, tell your doctor if you have: any
allergies, low blood pressure, liver or heart disease, kidney disease, eye
disease. Limit the use of alcohol as alcohol may intensify the dizziness and
drowsiness effects of this drug. Use caution when driving or operating
machinery or when alertness is required. This medication should be used only
when clearly needed during pregnancy. Discuss the risks and benefits with your
doctor. It is not known whether this drug is excreted into human milk. Consult
your doctor before breast-feeding. Caution is advised when this drug is used in
the elderly.
DRUG INTERACTIONS: Tell your doctor of all prescription and
nonprescription medications you may take, especially of: blood pressure drugs
(e.g., water pills, clonidine, methyldopa, guanabenz, guanfacine), MAO
inhibitors (e.g., linezolid, furazolidone, phenelzine, selegiline), sleep
medicines, sedatives (e.g., diazepam), tranquilizers, anti-anxiety drugs,
narcotic pain relievers (e.g., codeine, morphine), barbiturates (e.g.,
phenobarbital), certain antihistamines (e.g., diphenhydramine), other muscle
relaxants (e.g., cyclobenzaprine), certain antidepressants (e.g., imipramine,
amitriptyline, trazodone), phenothiazine psychiatric drugs (e.g.,
chlorpromazine), birth control pills. Do not start or stop any medicine without
doctor or pharmacist approval.
OVERDOSE: If overdose is suspected, contact your local poison control
center or emergency room immediately. Symptoms of overdose may include trouble
breathing or unconsciousness.
NOTES: Your doctor may monitor liver tests during treatment. Do not
share this medication with others.
MISSED DOSE: If you miss a dose, take it as soon as you remember. If it
is near the time of the next dose, skip the missed dose and resume your usual
dosing schedule. Do not "double-up" the dose to catch up.
STORAGE:
Store at room temperature between 59 and 86 degrees F (15-30 degrees C) away
from light and moisture.