I don't give anything for a temp unless it is worryingly high and/or accompanied by other symptoms that are making them miserable.
A temperature plays an important role in our bodies immune system. Its function is to make our body too hot for germs to thrive so letting a fever run its course can help to reduce the severity of an illness.
Basically this.
Fever plays an important role in an immune response. If they are happy, then don't treat it. If they are miserable, then do treat it.