M.B.
I agree with him being over tired, my oldest daughter is also 2.5 and gets sooooo whiney when sick and tired, she becomes inconsolable. Get all the blankets and pillows you can gather and pretend to have a camp out in the living room. If you make it as comfy as possible you both may just fall asleep. She loves this cause it's out of the norm and a fun distraction from not feeling good. She also loves watching a movie in mommy and daddy's bed because this also is not the norm. Most of all cuddles, lots and lots of cuddles works the best, anything you can do that's comforting to him and relaxing for you. Get rest any chance you can cause as you know us mommy's don't get sick days. Take care and hang in there