Honey is an awesome caugh surprasent. Its also good in green tea with lemon. I also use my vicks vaporizer to help with the congested feeling and put a little vicks vapo rub under my nose. I get colds a lot. For your fever though you should really take a regular Tylenol. A fever when pregnant is bad or so I'm told.
If your fever is more than 104.5 then you need to go to the er