I know how you feel.

I would examine options related to alternatives for common illnesses like fever, colds, and flu.

For example, when I feel something is trying to get me, I take a supplement that contains maitake mushrooms because it stimulates the immune system dramatically. I have turned many people on to this and created many natural health advocates just through this single supplements:

Nature's Immune Stimulator

There are also herbs that help with fever:

Feverfew


Hope this helps.