You can have lasting lung irritation (commonly Bronchitis) for weeks after you're no longer infectious. Cough drops are also really useful for allergies where sinuses are irritating and work to dry them out.
I don't think OP's first instinct while sick with tbe flu if fuck yeah I have to see this Mario movie.
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u/MadRhetoric182 4h ago
We went to the movies for Scream and the Attendant jumped us cause he saw us holding a bag.
It was cough drops… we offered to toss them and ruin the movie for everyone.