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. It should not be used in people younger than 18 years. This dosage information is for tizanidine oral tablet.
All possible dosages and drug forms may not be included here. Your dosage, drug form, and how often you take the drug will depend on:. Your doctor may start you on a lowered dose or a different dosing schedule. This can help keep levels of this drug from building up too much in your body. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages.
Always speak with your doctor or pharmacist about dosages that are right for you. Tizanidine oral tablet is used for long-term or short-term treatment. Withdrawal symptoms can include high blood pressure, a fast heart rate, or worsened muscle spasms.
If you decide to stop this drug, your doctor should slowly decrease your dosage by 2—4 mg per day. If you miss too many doses, you may have withdrawal symptoms. If you take too much: You could have dangerous levels of the drug in your body. Symptoms of an overdose of this drug can include:. But if your symptoms are severe, call or go to the nearest emergency room right away.
What to do if you miss a dose: Take your dose as soon as you remember. But if you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in dangerous side effects. How to tell if the drug is working: You should have fewer symptoms of muscle spasms.
These symptoms can include muscle tightness, pain, or stiffness. When taken from the blood, Zanaflex drug maximum drug levels on day 1 and falls below the detectable limit by day 5 after ingestion. Tizanidine can be detected in hair and is the most promising alternative test.
The Tizanidine drug test is perfect for determining long-term exposure to this drug. The extended detection window for the hair follicle test makes it potentially well suited for detecting drugs.
A hair follicle test can help detect the drug only a few days after use for up to 90 days. A saliva drug test can detect drug use within the first few hours after ingestion, in case it was not detected in urine. Oral secretions can be used to detect the drug in the system for up to 24 to 48 hours after its last use.
Tizanidine is not a controlled drug. Therefore it will not appear on a panel drug test. A panel drug test can turn positive if it is done to detect this medication. Although the half-life of Zanaflex is around two and a half hours, how long does Tizanidine stay in your system varies from one person to another and depends on several factors and variables, which influence this period? Tizanidine is a muscle relaxant and should only be used as directed by the physician. Please note that the dosage of this medicine should not be increased or decreased and must be taken strictly as the doctor prescribed.
Knowing what Tizanidine is and what its mechanism of action is can help the user understand how the medication works and how long Tizanidine lasts in their system. For those who worry about Zanaflex drug testing, there are several things that they can do to help the medication be eliminated from the system faster. Caution is required, and these should be tried only after asking the doctor about their efficacy and safety.
As most of the Tizanidine is excreted by the kidneys and cleared out through urine, it would make sense that Calcium D Glucarate would help rid the system from the drug faster. Activated charcoal is sometimes successfully used to treat poisoning or a drug overdose. It decreases the systematic absorption of most toxic substances, as contagions and drugs bind to activated charcoal, helping clean the body and reducing the withdrawal symptoms.
Although drinking water and other liquids will not significantly speed up the elimination of Tizanidine from the body, it can still offer some benefit. Liquid makes the clearance of drugs faster through urine. It should be noted that drinking too much water can be toxic and do more harm than good. Also, hydration might help with some of the Zanaflex side effects , such as dry mouth and constipation. People that have highly alkaline urine might reabsorb the medication before it is excreted.
The pH influences the possibility of the medicine being reabsorbed before excretion. If the drug is reabsorbed, it means that it is re-circulated in the system. To avoid keeping the pH level of urine close to neutral by steering away from red meat, cranberry juice, orange juice, alcohol, and coffee. Other drugs may interact with tizanidine, including prescription and over-the-counter medicines, vitamins, and herbal products.
Not all possible interactions are listed in this medication guide. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy.
The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.
If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information.
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