Below are the main rubriks (i.e strongest indications or symptoms) of Acid Phos in traditional homeopathic usage, not approved by the FDA.
FEVER AND CHILL
Violent ebullitions with great restlessness.
Shuddering and shivering, sometimes with shaking, or with coldness in hands and fingers, generally in evening, and without thirst (followed by heat without thirst, or by excessive heat, depriving one almost of consciousness).
Sensation of coldness on one side of the face.
Sensation of coldness, with shiverings and coldness in abdomen.
Internal dry heat without being hot to touch; and without any complaint at any time of the day.
General heat with loss of consciousness and somnolence.
Heat in head with cold feet.
Febrile heat in evening, without thirst, with anguish, and great activity of the circulation.
Shivering alternately with heat.
Malignant (typhus) fever with great weakness (quiet delirium with dulness of head), apathy, stupidity, aversion to conversation, diarrhoea, &c.
Tertian ague with profuse perspiration, anxiety of look, thirst and vomiting.
Sweat in morning.
Perspiration mostly on back part of head and in neck, with sleepiness during the day.
Profuse perspirations during night and in morning, with anxiety.
Great inclination to perspire during day and night; clammy perspirations.≡ more ...