After 46 hours the tingling and numbess was gone, i.e... cyclobenzaprines
half life is between 18- 48 hrs. After researching this topic, I found MANY individuals with the same symptoms. While I acknowledge doctors are very educated, they often think in black and white (1+1=2)... However, currently we are unsure of the mechanism of action for this particular drug ( no difinitive proof). Additionally, all humans have varying degrees of anatomy: particularly in our neurological wiring.