Side Effects. The antidepressant Paxil is one of a class of medications, called anticholinergic drugs, which a new study suggests might increase the risk of dementia with long-term use. Your doctor may occasionally change your dose to make sure you get the best results. It works by blocking nerve impulses (pain sensations) that are sent to your brain.Tizanidine is used to treat spasticity by temporarily relaxing muscle tone.Tizanidine may also be used for purposes not listed in this medication guide.This is not a complete list of side effects and others may occur. Although not all of these side effects may occur, if they do occur they may need medical attention.Check with your doctor immediately if any of the following side effects occur:Get emergency help immediately if any of the following symptoms of overdose occur:Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. While it does not provide a cure for the problem, it is designed to relieve the spasms, cramping, and tightness of muscles. eMedicineHealth does not provide medical advice, diagnosis or treatment. Skip the missed dose if it is almost time for your next scheduled dose. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Other side effects not listed may also occur in some patients. Although not all of these side effects may occur, if they do occur they may need medical attention. All rights reserved. Advertising revenue supports our not-for-profit mission.Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.Overdose symptoms may include weakness, drowsiness, confusion, slow heart rate, shallow breathing, feeling light-headed, or This medicine may impair your thinking or reactions. Drug information provided by: IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Allow 6 to 8 hours to pass between doses. © 1998-2020 Mayo Foundation for Medical Education and Research (MFMER). once daily, 30 minutes after same meal each day. 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. Adult men: 0.4 mg P.O. Other drugs may interact with tizanidine, including prescription and over-the-counter medicines, Your pharmacist can provide more information about tizanidine.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. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Generic tizanidine is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.Mayo Clinic does not endorse companies or products. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Drug information contained herein may be time sensitive. You may not mean to, but you could be making your overactive bladder worse. If you notice any other effects, check with your healthcare professional.Call your doctor for medical advice about side effects. Tizanidine is a short-acting muscle relaxer. Do not take more than three doses (36 mg) in a 24-hour period. Visit cvs.com for more details. Tizanidine Oral tablet drug summary. Call your doctor for medical advice about side effects. Our general interest e-newsletter keeps you up to date on a wide variety of health topics.Along with its needed effects, a medicine may cause some unwanted effects. What Are Side Effects of Zanaflex? Do not use this medicine in larger or smaller amounts or for longer than recommended. When anticholinergic therapy is necessary, MC’s swallowing capabilities should be assessed before choosing an appropriate agent. Tizanidine is a short-acting medication, and its effects will be most noticeable between 1 and 3 hours after you take it. Tizanidine is used to treat spasticity by temporarily relaxing muscle tone. Fortunately, you can turn around some of things that bring on those bothersome urges to go.