Known as Mercurius Hydrargyrum, or commonly called Quicksilver, this remedy is made from the powder of precipitated mercury, which makes this medicine safe as well as a great therapeutic drug.

All the complaints increase at night and during sweating, the heat of the bed and in cold, damp weather.
Extremely sensitive to slight change in heat and cold.
Breath, discharges are foul smelling.
A tendency to ulcerations, bleeding, tissue loss easily.

Head
Vertigo when lies on the back, headaches with a lot of heat and inflammation in the head
Tension about scalp, as if bandaged
Stinging, burning, fetid eruptions on the scalp.
Loss of hair
Scalp tense; oily sweat on head

Eyes
Burning in eyes with a lot of burning and corrosive discharges.
Well suited to people whose occupation is related to working near a fire or metal castings.

Nose
A good remedy for nosebleeds, foul smelling and bloody discharges, swelling and destruction of nasal bones, sneezing when goes out in the sunshine.
Yellow-green, fetid, pus-like discharge
Nosebleed at night. Copious discharge of corroding mucus

Ears
Thick, yellow discharge; fetid and bloody.
Otalgia, worse warmth of bed; at night sticking pains.
Boils in external canal

Mouth
Spit secretion is markedly increased, gums feel soft like a sponge
A tongue is very moist, yellow and flabby.
Bad breath from mouth

Stomach
Marked thirst for cold liquids. Continuously hungry.
Stomach sensitive to touch.
Hiccough and regurgitation

Extremities
Lot of trembling in hands, paralysis.
Bone-pains and in limbs; worse, night

Skin
General tendency to free perspiration, but not relieved thereby
Itching, worse from the warmth of bed.

Fever
Sweating is greatly increased in fevers, but no relief.
Alternate flashes of heat in single parts

Dose- As prescribed by the physician. Can be taken along with allopathic medicines.

Precautions

Maintain half an hour gap between food/drink/any other medicines and homeopathic medicine.
Avoid any strong smell in the mouth while taking medicine e.g. camphor, garlic, onion, coffee, hing.

Side effects- None reported

Use under medical Supervision.