Below are the main rubriks (i.e strongest indications or symptoms) of Mercurius Corrosivus in traditional homeopathic usage, not approved by the FDA.
FEVER AND CHILL
Chilliness from least movement and in open air, generally with colic.
Chilliness in evening, esp. on head.
Chilliness at night in bed.
Heat when stooping, and coldness when rising.
Surface cold and covered with profuse perspiration, esp. on forehead; cold perspiration, often only on forehead.
Clammy, cold perspiration; offensive, toward morning.
Whole skin covered with cold perspiration, with anxiety.
Burning and stinging heat in skin.
Great heat of skin; at night with anxiety, preventing rest.
External heat with yellowness of skin.≡ more ...