The scientist father of a teenage girl and boy accidentally shrinks his and two other neighborhood teens to the size of insects. Now the teens must fight diminutive dangers as the father searches for them.
This movie contains 5 potentially triggering events.
Around halfway the kids find a cookie in the garden, and immediately after they encounter a giant ant that becomes their companion for a while. Not long after, a scorpion appears. Both can be triggering.
there are ants and/or roaches in this movie based on my memory from childhood. and because the people are small, the bugs are huge.
edit: someone in the spider section wrote that there are giant ants and a giant scorpion
The shrunken characters befriend an ant, who is not sapient and doesn't speak but has enough personality to qualify as a character who the audience might become attached to.
Coughs up nasty water after almost drowning, was extremely disturbing to watch. I have emetophobia and watched this when I was a little kid and I still get really uncomfortable flashbacks
Not in a deliberate or malicious way, but there's a scene where a character is dancing like no-one is watching, unaware that the neighbors can see her through the window.