What are the final stages of ankylosing spondylitis?

The Final Solution was the Nazi genocide of the Jews in 1941-1945. It did not have 'stages', but if your teacher thinks it did, then look at the related question. The Final Solution was final and...

You don't. You exist in pain every day.

To reduce inflammation, various herbal remedies, including white willow (Salix Alba ), yarrow (Achillea millefolium ), and lobelia (Lobelia inflata ), may be helpful.

There is no known way to prevent AS.

It generally begins with lower back pain that progresses up the spine. The pain may eventually become crippling