Yes, mercury compounds are used as medicines. For examples, thiomersal is an antiseptic and antifungal agent, and merbromin is an antiseptic. This is why I wro

Yes, mercury compounds are used as medicines. For examples, thiomersal is an antiseptic and antifungal agent, and merbromin is an antiseptic. This is why I wrote 'elemental mercury'. I am not aware of an effective medicinal use of elemental mercury, and Lincoln's pills contained that form of mercury.