Sick betta fish! Need some help diagnosing so I can give correct

Fish can't swim upright. Assuming it's swim bladder. Buying medication

Please help!!! Sick fish?

Help! sick fish

All my fish are dying plz help

Sick fish Help Needed

Is my fish sick?

Sick fish nsfw

Sick fish?

Sick fish help

Why are my green kubotai dying? Tw:dead fish

Fish swimming sideways?