July 27, 2023 Ramzan Muhammad

Flexeril Side Effects Dosage Precautions Medicine

Flexeril Side Effects Dosage Precautions Medicine

Cyclobenzaprine oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. Cyclobenzaprine oral tablet may cause drowsiness and dizziness.

This is especially likely if you’ve been taking either drug for a long time. Don’t drink alcohol while using either tizanidine or cyclobenzaprine. Drinking alcohol with either drug may cause severe drowsiness and make you much less alert. This effect can make activities such as driving difficult and unsafe. If you are taking another medication that also causes drowsiness, you may have more side effects.

Cyclobenzaprine is usually taken once daily for only 2 or 3 weeks. UseCyclobenzaprine (Flexeril) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Older adults may be more sensitive to the effects of this medicine. This medicine may cause some people to have blurred vision or to become drowsy, dizzy, or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert and able to see well.

  • Tell your care team if your symptoms do not start to get better or if they get worse.
  • Many insurance companies require prior authorization for this drug.
  • You may need a dose adjustment or need your blood pressure checked more often to safely use both medications.
  • Talk to your doctor or pharmacist if you have any questions or concerns.

You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome.

Diseases & Conditions

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Since it is related to tricyclic antidepressants, some of which are excreted in breast milk, caution is advised in using Flexeril in women who are breastfeeding. Medications used as muscle relaxers can differ in their chemical structures and the way they work in the brain.

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Your dose will depend on the severity of your pain and the formulation of cyclobenzaprine you’re using. Don’t take this medicine for longer than three weeks without talking to your doctor. The immediate-release tablets last for about four to six hours, while the extended-release tablets last around 24 hours.

Pain Management: All About Your Knees

If you experience anything unusual while taking cyclobenzaprine, consult your doctor. If you experience any severe side effects, seek immediate medical attention. Some medicines can interact with cyclobenzaprine and cause a serious condition called serotonin syndrome. Ask your doctor before making any changes in how or when you take your medications. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Flexeril overdose is a rare complication that, however, can be fatal to the patient’s health. Overdose can be a result of deliberate drug abuse, accident, or problems flexeril and coffee with metabolism and excretion of the drug. Your doctor will choose the best drug for you based on factors like your health and any other medications you’re taking.

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To find out how this drug might interact with something else you’re taking, talk with your doctor or pharmacist. However, it should be noted that Flexeril can cause peripheral vasodilation leading to hypotension as an adverse reaction, but this is only transient. Furthermore, some which are used for the treatment of blood pressure, like guanethidine, can have their efficacies lowered when used concomitantly with Flexeril.


In general, muscle relaxers act as central nervous system depressants and cause a sedative effect or prevent your nerves from sending pain signals to your brain. The onset of action is rapid and effects typically last from 4-6 hours. It is important to take this medication exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule.