Confidence votes 81. It cost about $500-$800 worth a year's supply of diapers for the first year.The next years may or may not cost more, the same, or less.
Overdose symptoms may include drowsiness, fast heartbeat, tremors or shaking, slurred speech, confusion, nausea, vomiting, hallucinations (seeing things), chest pain, or seizure (convulsions). Flexeril can cause side effects that may impair your thinking or reactions.
I have never had problems with anything that could cause seizures or epilepsy... but after trying to take Ultram (tramadol) for breakthrough pain for spine surgery and a bone tumor in my arm, it caused a seizure.