Hair of the dog and Tonic

Hair of the dog noun - An alcoholic drink supposed to cure a hangover.

Tonic and hair of the dog are semantically related. In some cases you can use "Tonic" instead a noun phrase "Hair of the dog".

Tonic noun - A medicine that strengthens and invigorates.

Hair of the dog and tonic are semantically related. Sometimes you can replace phrase "Hair of the dog" with "Tonic", this terms are similar.