The Complementary Medical Association

Delivering excellence in complementary medicine since 1993

Merc Sol – Homeopathic Remedy

Merc Sol Homeopathic Remedy
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Merc Sol – Homeopathic Remedy

Merc Sol (Mercurius solubilis)

Did you know that the metaphor ‘mad as a hatter’ is actually derived from the use of mercury (from which merc sol is extracted) in the making of felt hats, a practice which continued into the early 1900’s. Mercury vapour is highly toxic, causing severe damage to the nervous system.


This homeopathic remedy is made from the powder of precipitated mercury, which is in turn obtained by dissolving liquid mercury in a solution of diluted nitric acid. This method of preparation means that merc sol is perfectly safe, unlike its mercury source, which can cause serious poisoning if overused. Mercury has been used extensively in medicine, particularly to treat syphilis and as a purgative. It has also been an important ingredient in the making of mirrors, thermometers, barometers, and fingerprint detecting powder, as well as still being used in the manufacture of fungicides, herbicides, amalgam tooth fillings, and some water based paints.


The homeopathic remedy, merc sol, is commonly used for conditions producing foul smelling, heavy bodily secretions accompanied by heat and burning symptoms and sensitivity to temperature.

Homeopaths may prescribe this remedy for: 

Fevers displaying the following symptoms: Heavy, unpleasant sweating.

Bad breath

Gingivitis (inflammation of the gums)

Mouth ulcers

Candidiasis (fungal infection of the mouth)

Tooth and gum infections displaying the following symptoms: Painful, sensitive teeth and gums.

Excessive production of saliva

Throat infections


Ear infections displaying the following symptoms: Copious discharge from the ears.

Eye infections displaying the following symptoms: Copious discharge from the eyes.

Joint pain displaying the following symptoms: Burning pain.

People requiring this remedy will feel worse: In extreme conditions of heat and cold; in wet or rapidly changing weather conditions; at night; when sweating; if too hot in bed.

People requiring this remedy will feel better: With rest; when the temperature is neither too hot nor too cold.

People suitable for this remedy are often insecure, despite giving off a confident air. In company, they are rather self-conscious, tending to stutter, stammer, or speak very fast. These types can be indecisive and sensitive to criticism, as well as extremes of weather. Emotionally, they worry about going insane, death, and family matters. 

The information given on this site about homeopathic remedies is just a general overview. Classical homeopathy takes all the patient’s symptoms into account and prescribes upon the “Totality of Symptoms”, thus finding the precise remedy that matches the patient’s symptoms perfectly. 

Here, at The CMA we recommend that anyone interested in learning more about homeopathy and the fascinating remedies that homeopaths use should take an introduction course to homeopathy, which will help you to understand how to become a good home first-aid prescriber. This is ideal for ‘acute symptoms’. However, if you want to learn more – with a view even to becoming a professional homeopath, who is educated highly enough to be able to treat chronic conditions, you’ll need to be prepared to spend many years learning this vast and fascinating topic – along with anatomy, physiology and pathology, history of medicine, homeopathic philosophy, and much more. You’ll find both kinds of courses here on this site – head to our section on Find a CMA Member and search under CMA Registered Training Schools.

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