This is an ‘acid’ remedy. Acid remedies are known to be associated with weak or debilitated states.
So you can consider this remedy where the sufferer is weak and tired, and also for mental apathy (can’t be bothered and can’t concentrate on anything) after too much work or study or an emotional shock.
They want to try foods and drinks that stimulate them (fruit juice, soda, refreshing things).
Short naps can help them a lot.
Apathetic – Indifferent
Better from sleep
Worse cold
Backache
Cough
Diarrhoea
Fever
Headache
Hoarseness
Indigestion
Insomnia
Nausea
Sore throat
Vomiting
Tiredness