Below are the main rubriks (i.e strongest indications or symptoms) of Lachesis in traditional homeopathic usage, not approved by the FDA.
Female; Climacteric troubles, palpitation, flashes of heat, hemorrhages, vertex headache, fainting spells; worse, pressure of clothes
Mammae inflamed, bluish
Coccyx and sacrum pain, especially on RISING from sitting posture
Male; Intense excitement of sexual organs.
Menses too short, too feeble; Pains all relieved by the flow ( Eupion.) Left ovary very painful and swollen, indurated
Lachesis acts especially well at beginning and close of menstruation.≡ more ...