Damien stayed home from school with a fever and swollen glands. his tongue is bright red. damien has: botulism food poisoning scarlet fever pneumonia

I would say Scarlet Fever

Explanation:

Common symptoms associated with scarlet fever are:

Red rashes that start on the face or neck and spread onto arms, trunk and legs

Red lines around knees, groin, armpit and elbows

Flushed face

Strawberry tongue (white tongue with red spots)

Other symptoms:

High fever with chills

Sore and red throat

Difficulty in swallowing

Enlarged glands in the neck (lymph nodes) that is tender to touch

Nausea or vomiting

Headache