Poorly rat - please help! (Info in comments)

my rat has been on antibiotics 3 different times and its done

PLEASE HELP! I know the video is a bit dark but does anyone know

Rat gagging whenever he eats?? Please help!

Help! What's wrong with my rat? Is he dying?

Rat with lump on eyeball, help!

Pls help im scared for my rat

Help please my rat bubbles (3) can’t walk

Help! My rat is having breathing problems and I'm scared.

Please help my heart rat

[help] rat gagging, coughing up yellow liquid/snot, lethargic

Rat help