Zanaflex instructions

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Patient Education Monograph Tizanidine Tablets (tie-ZAN-ih-deen)

Common Brand Name Zanaflex Tablet

The following product information is not intended to replace the physician's or manufacturer's instructions.

Zanaflex uses:
Zanaflex is a drug used to relax certain muscles. It can help to relieve, but not cure muscle spasms (or muscle tightening) caused by medical problems such as multiple sclerosis or injuries to the brain or spine.

Zanaflex contraindications: Do not take this medicine if you are allergic to any ingredient in this medicine.

How to use Zanaflex:
How much medicine you take and how often you take it depends on many factors, including the condition being treated and the age and weight of the patient. If you have any questions about the amount and/or frequency of the medicine you are taking, talk with your doctor. Take each dose with a full glass of water. Do not stop taking this medicine or change the dose without checking with your doctor. This could have serious adverse effects. Zanaflex is usually taken several times a day. Do not take more than three doses of Zanaflex - or more than 36 mg in 24 hours.

If lightheadedness, dizziness, fainting, dry mouth, drowsiness or weakness occurs while taking this medication, contact your health care provider immediately. This medication may cause dizziness, lightheadedness or fainting, especially when rising or standing. If these symptoms should occur, sit or lie down and contact your health care provider. Use caution while driving or performing other tasks requiring alertness, coordination or physical dexterity. Avoid alcohol and other medicines that may cause drowsiness (such as benzodiazepines, baclofen) while you are taking this medicine. Inform your doctor if you are taking an oral contraceptive. Your doctor may have to adjust the dose of this medicine. Lab tests or exams may be required to monitor treatment. Be sure to keep appointments. Patients with previous medical conditions should talk with their health care provider before taking this medication. Do not take any other over-the-counter or prescription medications without talking with your doctor.

Zanaflex side effects:
Every medicine can cause side effects, but many people have no, or minor, side effects. Taking too high of a dose of Zanaflex can cause side effects. Ask your doctor before you reduce your dose, or stop taking the medicine. This medicine may cause blurred vision; constipation; drowsiness; dry mouth; tiredness or weakness. If these side effects persist, worsen or do not go away, notify your doctor.
Stop taking Zanaflex and contact your doctor immediately, if you experience serious side effects:

• confusion
• dizziness or fainting spells
• excitability, nervousness
• low blood pressure
• nausea or vomiting
• slow or irregular heartbeat, palpitations, or chest pain
• stomach pain
• unusual or persistent rash
• unusual tiredness or weakness
• yellowing of the skin or eyes.

Zanaflex precautions:
Before using Zanaflex, tell your health care provider if you have any of these conditions: heart or blood vessel disease; kidney disease; liver disease; low blood pressure; mental disorder; an unusual or allergic reaction to Zanaflez, other medicines, foods; pregnant or trying to get pregnant; breast-feeding.
Do not suddenly stop taking this medicine. Ask your doctor for advice on how to gradually reduce the dose of your medicine, before stopping completely. This medication may cause dizziness, lightheadedness or fainting, especially when rising or standing. Do not drive, use machinery, or do anything that needs mental alertness until you know how Zanaflex affects you. To avoid dizzy or fainting spells, do not stand or sit up quickly, especially if you are an older person. Alcohol can make you more drowsy and dizzy, so avoid alcoholic drinks. Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help. Do not treat yourself for coughs, colds or allergies without asking your doctor for advice. Do not take any other over-the-counter or prescription medications without talking with your doctor.

Drug Interactions:
Many drugs can interact with Zanaflex, resulting in side effects or decreased effectiveness of the medicine.
The following medicines may interact with Zanaflex:

• acetaminophen
• antihistamine medicines for colds, hay fever, or allergies
• baclofen benzodiazepine or sedative medicines for treating anxiety or to induce sleep
• barbiturate medicines for inducing sleep or treating seizures (convulsions)
• birth control pills
• medicines for high blood pressure
• medicines for mental depression or other mental disorders
• medicines for pain such codeine, morphine, hydrocodone and others
• phenytoin or fosphenytoin
• rofecoxib.

Do not start or stop any medicine without doctor or pharmacist approval.

Overdose:
Seek emergency medical attention. Symptoms of a Zanaflex overdose are not well known but include unconsciousness and irregular breathing.

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.

Storage:
Keep out of the reach of children. Store at room temperature between 15—30 degrees C (59—86 degrees F). Protect from light. Throw away any unused medicine after the expiration date.

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