Mercury metal in medicine refers to the use (past and present) of the chemical element mercury (Hg) in medical tools, treatments, and compounds. It is important to understand that mercury is toxic, so most medical uses have been reduced or completely phased out.
1. Historical medical uses
Mercury was widely used in medicine for centuries because it was believed to treat many diseases.
* Syphilis treatment (historical)
Mercury compounds were used before antibiotics existed. Patients were treated with mercury ointments or vapors, but it often caused severe poisoning.
* Thermometers and blood pressure devices
Liquid mercury was used in clinical thermometers and sphygmomanometers because it expands evenly with temperature and pressure.
* Diuretics and laxatives (obsolete)
Some mercury-based drugs were