Antibiotics,even when prescribed by your doctor,they should ONLY be used if the illness is life threatning.Why? Because antibiotics kills also the good microbiome in your gut,which can leads to several side effects like slowing down the growth of brain/hippocampus neurogenesis.There multiple research suggesting this,but mostly in rats.Here is a recent one that studied humans: Source:
https://www.ncbi.nlm.nih.gov/pubmed/2721074513. Reduce Salt and Sugar intake.
Reducing Salt and Sugar is not necessary if you already have a normal intake of these two elements.In fact, it's life threatning to have a below normal salt intake. Source:
https://www.verywellfit.com/what-happens-if-i-dont-consume-enough-sodium-2507757