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Zanaflex : Zanaflex is a muscle
relaxant
ZANAFLEX USES
Tizanidine is a muscle relaxant. It works by blocking nerve impulses
(or pain sensations) that are sent to your brain. Tizanidine is
used to treat increased muscle tone associated with spasticity.
Tizanidine may also be used for purposes other than those listed
in this medication guide.
WHAT TO KNOW ABOUT ZANAFLEX
Use caution when driving, operating machinery, or performing other
hazardous activities. Tizanidine may cause drowsiness and dizziness.
If you experience drowsiness or dizziness, avoid these activities.
Dizziness is most likely to occur when you rise from a sitting or
lying position. Rise slowly to prevent dizziness and a possible
fall. Use caution with alcohol, other muscle relaxants, sleep or
anxiety medicines, and pain medicines. These drugs may increase
drowsiness and dizziness while you are taking tizanidine. Do not
take any other medicine during treatment with tizanidine without
first talking to your doctor or pharmacist.
WHAT IS ZANAFLEX
Tizanidine is a muscle relaxant. It works by blocking nerve
impulses (or pain sensations) that are sent to your brain. Tizanidine
is used to treat increased muscle tone associated with spasticity.
Tizanidine may also be used for purposes other than those listed
in this medication guide.
BEFORE USING ZANAFLEX
Before taking this medication, tell your doctor if you:
have liver disease
have kidney disease
have low blood pressure or are on medication to treat high blood
pressure
are taking birth control pills.
You may not be able to take tizanidine, or you may
require a lower dose or special monitoring during treatment if you
have any of the conditions listed above. Tizanidine is in the FDA
pregnancy C. This means that it is not known whether tizanidine
will harm an unborn baby. Do not take this medication without first
talking to your doctor if you are pregnant. It is not known whether
tizanidine passes into breast milk. Do not take tizanidine without
first talking to your doctor if you are breast-feeding a baby.
HOW TO USE ZANAFLEX
Take tizanidine exactly as directed by your doctor. If you do not
understand these instructions, ask your pharmacist, nurse, or doctor
to explain them to you. Take each dose with a full glass of water.
Tizanidine is usually taken several times a day. Follow your doctor's
instructions. Do not take more than three doses of tizanidine--or
more than 36 mg--in 24 hours. Too much of this medication can damage
your liver. Store tizanidine at room temperature away from moisture
and heat.
MISSED DOSE
Take the missed dose as soon as you remember. However, if it is
almost time for your next dose, skip the dose you missed and take
only your next regularly scheduled dose. Do not take a double dose
of this medication.
OVER DOSE
Seek emergency medical attention. Symptoms of a tizanidine overdose
are not well known but include unconsciousness and irregular breathing.
ZANAFLEX SIDE EFFECTS
If you experience any of the following serious side effects, stop
taking tizanidine and seek emergency medical attention:
an allergic reaction (difficulty breathing; closing
of your throat; swelling of your lips, tongue, or face; or hives)
hallucinations or abnormal behavior
liver damage (yellowing of the skin or eyes, nausea, abdominal pain
or discomfort, unusual bleeding or bruising, severe fatigue).
Other, less serious side effects may be more likely
to occur. Continue to take tizanidine and talk to your doctor if
you experience:
drowsiness or dizziness
weakness; dry mouth
increased muscle tone or spasms
sweating
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 bothersome.
ZANAFLEX PRECAUTIONS
Use caution when driving, operating machinery, or performing other
hazardous activities. Tizanidine may cause drowsiness and dizziness.
If you experience drowsiness or dizziness, avoid these activities.
Dizziness is most likely to occur when you rise from a sitting or
lying position. Rise slowly to prevent dizziness and a possible
fall. Use caution with alcohol, other muscle relaxants, sleep or
anxiety medicines, and pain medicines. These drugs may increase
drowsiness and dizziness while you are taking tizanidine. Do not
take any other medicine during treatment with tizanidine without
first talking to your doctor or pharmacist.
DRUG INTERACTIONS
Tizanidine may increase the effects of other drugs that cause drowsiness,
including antidepressants, alcohol, antihistamines, sedatives (used
to treat insomnia), pain relievers, anxiety medicines, and muscle
relaxants. Tell your doctor about all medicines that you are taking,
and do not take any medicine unless your doctor approves. Birth
control pills can increase the effects of tizanidine. Tell your
doctor if you are taking birth control pills before starting treatment
with tizanidine. Tizanidine may lower blood pressure. Tell your
doctor if you are taking another medicine to lower blood pressure
or a medicine to treat another heart condition. Drugs other than
those listed here may also interact with tizanidine. Talk to your
doctor and pharmacist before taking any prescription or over-the-counter
medicines.
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