Merc Sol 200C liquid is also known as mercurius hydrargyrum or also called as quicksilver and is made from the powder of precipitated mercury. It is very suitable for those person who are working near a fire or metal castings. It is very safe medicne and has a very great therapeutic effect. Also helps to control sweating which increases during fever with no relief. Also helps to remove bad breath and also useful with vertigo and headaches. It effectively calms the boils the external canal. The dosage of single homeopathic remedy differ from drug to drug depending upon the age, condition, sensitivity and other things. Dosage should be taken as directed by the physician.