What is the history of the idiom 'Sick as a dog'? [closed]

This phrase is often used but was intrigued to find out it's history.


Solution 1:

1592:

A rakehell, a makeshift, a scribliug foole ;
A famous bayard in Citty and Schoole :
Now sicke as a dog, and ever braine sick,
Where such a rasing and desperate Dick ?