Build and Runes
Unless you think you can catch a Nidalee with certainty, don’t chase a Nidalee.
Nidalee’s spears do massive damage the further she is. Try your best to avoid it by either dodging or standing behind a creep.
Pay attention to where Nidalee might place her traps.
Place wards during team fights to keep an eye on where the Javelin Tosses are coming from.
Try to avoid being hit by a spear or a trap. Spears still do decent damage but the combo of her w in cougar because of the new passive does a lot of damage.