I'm sorry your little man is still sick Anna. Like the others have said - do not feel bad about taking him to a doctor or hospital. If you are concerned - you should take him. The fact that he has had a fever for 2(?) days which is not responding to panadol or neurphen is definately reason to seek professional advice (espeically if you feel something is wrong). And like Lucy said - the triage staff at the hospital are always good with these kinds of things - and they have seen it all before so won't think badly of you taking him in.
Sending lots of get well soon vibes.

Come back and let us know how you get on.

MG