Hangover vs. Flu — What's the Difference?

A hangover is the experience of various unpleasant physiological and psychological effects usually following the consumption of alcohol, such as wine, beer, and distilled spirits. Hangovers can last for several hours or for more than 24 hours.

Influenza

A severe headache or other after-effects caused by drinking an excess of alcohol.

Influenza.

A custom, habit, feeling, etc. that survives from the past

Any of several infections that affect the respiratory or gastrointestinal tract and are caused by viruses other than the influenza virus.

A temporary, unpleasant physical condition, typically characterized by headache and nausea, following the consumption of an excessive amount of alcohol.

Influenza.

A letdown, as after a period of excitement.

(informal) Stomach flu.

A vestige; a holdover

An acute febrile highly contagious viral disease

Negative effects, such as headache or nausea, caused by previous drunkenness due to (excessive) consumption of alcohol.

Similar negative effects caused by previous excessive consumption of another substance, such as a drug, coffee, sugar, etc.

(figurative) An unpleasant relic left from prior events.

(historical) A sleeping arrangement, usually in homeless shelters, over a rope.

An unpleasant feeling, such as a headache, occurring as an aftereffect from the use of drugs (especially alcohol).

An official who remains in office after his term.

Disagreeable aftereffects from the use of drugs (especially alcohol)

An official who remains in office after his term

Something that has survived from the past;