Flu no meds in house

I have 103 fever I have no meds cus I never take anything all I have is a cabinet of 5 year old medicine... for my 5 year old son 🤦🏻‍♀️ should I ruff it out n it’ll go away or can I take a shit ton of his medicine n it’ll work?

I have only ate a small bag of goldfish it’s 530pm now....

Help?