Your workout routine is going great and you are feeling good about yourself and the results of your hard work. But then you find yourself under the weather. We have all been there. Is this an excuse to get out of your workout? Do you need to sit out, maybe disrupting the routine you have worked out to establish? The answer depends on the illness. As a rule of thumb, most medical professionals will advise continuing your workout routine (albeit at a lower intensity) if the.