Final answer:
The usual duration of therapy with Cyclobenzaprine (Flexeril) varies, but the average time reported is forty-five days. Other durations are also given.
Step-by-step explanation:
The usual duration of therapy with Cyclobenzaprine (Flexeril) can vary, but studies have reported an average time of forty-five days (Willcocks 1913, 1: 301). However, it is important to note that other durations are also given (Barois, 2010: 25). The duration of therapy can depend on various factors, including the severity of the condition being treated and the response of the individual to the medication.