Examples of these drugs include:. Taking tizanidine with certain medications raises your risk for side effects from tizanidine. This is because the amount of tizanidine in your body is increased.
Avoid using these drugs with tizanidine if possible. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. Always speak with your healthcare professional about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking. If you have an allergic reaction, call your doctor or local poison control center right away. If your symptoms are severe, call or go to the nearest emergency room.
Taking it again could be fatal cause death. The use of drinks that contain alcohol increases the amount of tizanidine in your body. This can cause increased side effects from tizanidine.
For people with decreased liver function. Talk with your doctor about whether tizanidine is safe for you. If you take this drug, your doctor may give you a lower dose. Also, your doctor should check your liver function at the start of treatment.
They may check it again 1 month after your maximum dose has been prescribed. For people with decreased kidney function. Also, your doctor will watch for buildup of too much tizanidine in your body. Symptoms can include dry mouth, dizziness, or drowsiness. For pregnant women. Tizanidine is a category C pregnancy drug.
That means two things:. This drug should only be used if the potential benefit justifies the potential risk to the fetus. Call your doctor if you become pregnant while taking this drug. For women who are breastfeeding. Talk with your doctor if you breastfeed your child. You may need to decide whether to stop breastfeeding or stop taking this medication.
For seniors. The kidneys of older adults may not work as well as they used to. This can cause your body to process drugs more slowly.
As a result, more of a drug stays in your body for a longer time. This raises your risk for side effects. For children. This medication has not been studied in children. Flexeril is also known to cause other side effects such as constipation and nausea. This may not be a complete list of adverse effects that can occur.
Please refer to your doctor or healthcare provider to learn more. Zanaflex is mainly processed by the CYP1A2 enzyme in the liver. Drugs that block, or inhibit, this enzyme can increase Zanaflex levels in the body. Increased drug levels can lead to increased adverse effects such as drowsiness and dizziness. Zanaflex should be avoided with CYP1A2 inhibitors like ciprofloxacin and cimetidine as well as birth control pills containing ethinyl estradiol.
Flexeril can interact with serotonergic drugs like antidepressants and MAO inhibitors. Taking these drugs with Flexeril can increase the risk of serotonin syndrome, a condition that requires immediate medical attention.
These types of drugs include barbiturates, opioids, and benzodiazepines. Zanaflex and Flexeril can enhance their effects and lead to increased dizziness and sedation. Zanaflex has the potential to cause hypotension or abnormally low blood pressure. This effect typically manifests as orthostatic hypotension which occurs when a person moves to an upright position after lying down.
In excess doses, Flexeril is also known to cause changes in blood pressure. Zanaflex may cause liver injury in some people, especially those who have a history of liver impairment. Flexeril should also be used with caution in individuals with liver problems.
Flexeril is known to cause serotonin syndrome , especially when taken with certain antidepressants, MAO inhibitors, and opioids. Signs and symptoms of serotonin syndrome should be monitored when starting treatment with Flexeril.
Zanaflex, or tizanidine, is a muscle relaxant used to treat muscle spasticity due to multiple sclerosis and spinal cord injury. It works by blocking signals between motor nerves to relax muscle tone. It is usually taken as a 2 mg or 4 mg tablet every six to eight hours. Flexeril is the brand name for cyclobenzaprine.
It is a muscle relaxant indicated for acute, painful musculoskeletal conditions such as neck or back pain. It works in the central nervous system CNS to relieve muscle pain and spasms. Cyclobenzaprine is available in immediate-release and extended-release forms. Zanaflex and Flexeril are not the same. Zanaflex has a half-life of around 2. Zanaflex only comes in immediate-release oral tablets and capsules while Flexeril comes in an extended-release capsule. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital.
It is also important information to carry with you in case of emergencies. Tizanidine pronounced as tye zan' i deen. Why is this medication prescribed? How should this medicine be used? Other uses for this medicine What special precautions should I follow? What special dietary instructions should I follow? What should I do if I forget a dose? What side effects can this medication cause?
What should I know about storage and disposal of this medication? Brand names. Other uses for this medicine. What special precautions should I follow? Before taking tizanidine, tell your doctor and pharmacist if you are allergic to tizanidine or any other medications. You should not use tizanidine if you are allergic to it, or if: you also take the antidepressant fluvoxamine Luvox ; or you also take the antibiotic ciprofloxacin Cipro.
Tell your doctor if you have ever had: liver disease; kidney disease; or low blood pressure. Side Effects. Side Effects What are the side effects of Tizanidine Zanaflex? Call your doctor at once if you have: a light-headed feeling, like you might pass out; weak or shallow breathing; confusion, hallucinations; or pain or burning when you urinate.
Common side effects may include: drowsiness, dizziness, weakness; feeling nervous; blurred vision; flu-like symptoms; dry mouth, trouble speaking; abnormal liver function tests; runny nose, sore throat; urination problems, painful urination; vomiting, constipation; or uncontrolled muscle movements. Based on FDA pregnancy categories. Interactions What drugs and food should I avoid while taking Tizanidine Zanaflex?
Drinking alcohol with this medicine can cause side effects. Store at room temperature away from moisture and heat. What should I do if I missed a dose of Tizanidine Zanaflex? If you think you or someone else may have overdosed on: Tizanidine Zanaflex , call your doctor or the Poison Control center.
If someone collapses or isn't breathing after taking Tizanidine Zanaflex , call What to Expect Tizanidine usually starts to work within one to two hours and wears off after about six to eight hours. Additional Dosage Information Your dosage will be based on your medical condition and how you respond to treatment. E 34 Color : white Shape : round Imprint : E
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