A diet largely consisting of squid doesn't do much for the state of your digestive system or your breath, you really don't want to be breathed on by an elephant seal. Most of the time pods are quite fairly restful places in a constant snoring and guttural grumbling sort of way, but every now and then one of the inner most seals decides it wants to go to sea.
I have never had the severe symptoms you describe after a cleaning, that's quite a reaction, but have felt very tired. I chalked it up to emotional exhaustion as I hate having my teeth cleaned. I agree with Wayne Mikie, it feels good to see your name. Hope you are feeling better.
Infection!: The pimple in your mouth could be from an abcessed tooth--the pus trying to escape through your gums. The swelling in your jaw and neck could also be from a tooth abcess--the infection spreading from the bone into the soft tissues. See a dentist asap! if you have an abcessed tooth causing problems like you have described, you could get very sick very soon. Get treatment. ...Read more.