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Doctor insights on: Flexeril Side Effects

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Dr. Syed H. Sajid
293 doctors shared insights

Cyclobenzaprine Hcl (Definition)

Cyclobenzaprine HCl is a muscle relaxant which is a ...Read more


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How long does it take for the side effects of flexeril (cyclobenzaprine hcl) to go away?

How long does it take for the side effects of flexeril (cyclobenzaprine hcl) to go away?

Approximately 18 hrs: The half life of flexaril ranges from 8-37 hrs. With an average of 18 hrs. Depending on the liver as well as renal function, it may take longer or shorter than 18 hrs. Use of other medications may increase or decrease the serum level of flexeril, (cyclobenzaprine hcl) resulting in delayed or early clearance. Elderly will take longer to eliminate the medication, taking longer for side effects to go away. ...Read more

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Would Flexeril or Skelaxin (metaxalone) be more effective for upper trap & neck spasms/tension? Which one is less likely to cause unpleasant side effects?

Flexeril (cyclobenzaprine hcl): This medication can be used on a longer-term basis and actually has a chemical structure related to some of TCA. It will also improve your sleep. The main concern is urinary retention in males with large prostates. Check with your doctor what is best medication for your individual situation. ...Read more

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What is the max amount of both flexeril (cyclobenzaprine hcl) and tramadol that is safe to take together? No history of seizures or other negative side effects.

Discuss This: Discuss this further with your doctor, let them know your concern. Every once in a while some people taking tramadol will have a seizure without taking Flexeril (cyclobenzaprine hcl) or other medications with it. ...Read more

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Any experience w/flexeril causing afib? If so, is there another similar medication w/out that side effect?

Zanaflex (tizanidine): There are precautions listed in taking Flexeril if you have heart rhythm disorder and afib. I usually prescribe Zanaflex (tizanidine). However, visit with your doctor to make sure he/she is comfortable you taking this medication. ...Read more

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How long should I wait before drinking alcohol after taking Flexeril (cyclobenzaprine hcl)? To be on the safe side, I mean 4-6+ drinks instead of just 1-2 drinks.

How long should I wait before drinking alcohol after taking Flexeril (cyclobenzaprine hcl)? To be on the safe side, I mean 4-6+ drinks instead of just 1-2 drinks.

Don't: Presumably, you are taking flexeril (cyclobenzaprine hcl) for muscle spasm. You shouldn't be drinking excessively if you are having muscle spasms because you will be making the medical condition worse that causes the spasm. Flexeril (cyclobenzaprine hcl) is meant to be used for short term use so get better first. If you have chronic pain then really you should quit alcohol as this habit will make your pain worse in the long run ...Read more

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Dr. Syed H. Sajid
347 doctors shared insights

Flexeril (Definition)

Flexeril is a muscle relaxant which is a ...Read more