We try to use preventatives first and foremost. Hand sanitizer, vitamins, coughing/sneezing into elbows or cloth, rest.
We use a variety or natural substances to fight off minor infections. Oil of oregano is one that we've had good luck with as long as it's not the flu.
Vicks vaporub on the feet, covered w socks helps.
Lots of liquids, soups, vitamin rich foods.
With fevers I only treat if over 102.5, with Tylenol or advil. Like this wk, my DD has been nursing a fever of 103 - 104.5. we just keep her comfy, blankets if cold, a light one if hot.
A tsp of honey helps itchy scratchy throats.
Lemon vicks cough drops are the only ones mild enough that my DD will use em.
Humidifier or a sit in a steamy bathroom to help congestion.
If I get a sinus anything I have to take an allergy med, it's the only thing that relieves pressure.
We only treat coughs if they interfere with sleep. Coughing is healthy, gets yuckies out.
I think those are the main ones

Stay healthy folks.