This medicine is a muscle relaxant used to treat muscle spasms associated with multiple sclerosis or spinal cord injuries. It may also be used to treat other conditions as determined by your doctor.
Follow the directions for using this medicine provided by your doctor. Food can change the way your body absorbs and uses this medicine. Be sure to discuss this with your doctor to determine the best way to take your dose, especially when changes to your dose are being considered, or if you are being prescribed a different dose form of tizanidine (such as a tablet or capsule). STORE THIS MEDICINE at room temperature at 77 degrees F (25 degrees C) in a tightly-closed container, away from heat and light. Brief storage between 59 and 86 degrees F (15 and 30 degrees C) is permitted. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do NOT take 2 doses at once.
Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE if you are also taking fluvoxamine or certain medicines for high blood pressure (such as clonidine, guanfacine, guanabenz, or methyldopa). ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking rofecoxib, phenytoin, cimetidine, ticlopidine, other medicines for high blood pressure (such as verapamil, captopril, losartan, metoprolol, or prazosin), medicine for irregular heartbeat (such as amiodarone, mexiletine, or propafenone), oral contraceptives (birth control pills), other muscle relaxants (such as baclofen or cyclobenzaprine), benzodiazepines (such as diazepam or lorazepam), or fluoroquinolone antibiotics (such as ciprofloxacin or norfloxacin). DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor and pharmacist of any other medical conditions including a history of blood pressure problems, heart problems (such as slow, fast, or irregular heartbeat or prolonged QT interval), kidney problems, liver problems, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
SIDE EFFECTS that may occur while taking this medicine include drowsiness, dizziness, dry mouth, weakness, fatigue, or tiredness. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience nausea, vomiting, loss of appetite, nervousness, increased muscle spasms, slurred speech, trouble speaking, or blurred vision. CONTACT YOUR DOCTOR IMMEDIATELY if you experience mood or mental changes; hallucinations; stomach pain; yellowing of your skin or eyes; dark urine or pale stools; fast, slow or irregular heartbeat; severe weakness, fatigue, or fainting; or loss of muscle control. An allergic reaction to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
IF OVERDOSE IS SUSPETED, contact your local poison control center or emergency room immediately. Symptoms of overdose may include severe drowsiness, trouble breathing (respiratory depression), or loss of consciousness (coma).
DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children. IF YOU WILL BE TAKING THIS MEDICINE FOR AN EXTENDED PERIOD OF TIME, be sure to obtain refills before your supply runs out.