Below are the main rubriks (i.e strongest indications or symptoms) of Mercurius Corrosivus in traditional homeopathic usage, not approved by the FDA.
Heaviness of head.
Congestion to head and face, with burning of the cheeks.
Stitches in the forehead.
Syphilitic tumours of brain.
Profuse sweat on forehead.
Swelling of head and neck.
Violent frontal headache.
Pain like a drawing in pericranium.
Chilliness on head, lancinating pains in muscles on back of head.
Hair falls out.≡ more ...