14 May 2015
To the people who are claiming that flexeril will stop your heart. You are 100% wrong. Flexeril is a skeletal muscle relaxant. Your heart is NOT a skeletal muscle. It is a cardiac muscle and if you bothered to do a miniscule amount of research you would find out that it operates on its very own electrical system, completely separate from the system that your skeletal muscles operate on. The short answer is that you can take 20mg of flexeril at 1 time. It will probably make you sleepy and affect your reaction time so don't drive or operate heavy machinery or do anything else that might require you to react quickly and don't do it regularly if your doc hasn't prescribed that dosage.
23 Jun 2015
It's not recommended that you do that for the simple fact that Flexeril is used to relax your muscles. ALL your muscles, that includes your heart. And when taking two at a time CAN stop your heart. I've seen it happen and I've done it myself. It can also cause sever swelling in the back of your throat, making it hard to swallow or breathe.
I take one and a half because, like you said, one doesn't do much. But I do not recommend you even take over one. There are other drugs that can help you be relaxed.
14 Jan 2011
I do not recommend you do that, I have and I was sooo dopey it wasn't funny. Cyclobenzaprine is a muscle relaxer and it will relax you too much if you do take two of them. You should only take two if your doctor o.k.'s it and don't drive your reflexes will not be the same. hope this helps, marjorie zych
11 Jan 2014
Ask your doctor, he'll know the right answer, not people on the web. If you want advice about muscle relaxers, BE CAREFUL! Your heart is a muscle; so, technically your heart will relax and slowly stop beating until you die. So take the right dosage, if the dose is to low and you can't see a doctor quickly, take a pill and split another in half, then take the half and the whole pill. Be safe.
- Cyclobenzaprine Information for Consumers
- Cyclobenzaprine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Cyclobenzaprine (detailed)
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