Mercurialis perennis
Plant · Euphorbiaceae
The Mercurialis Perennis patient is exhausted and drowsy with marked dryness of the mouth and throat. Female complaints with amenorrhoea and breast swellings are prominent. This remedy has a particular affinity for mucous membranes and smooth muscle of digestive organs.
Key symptoms
- Great exhaustion and drowsiness
- Sensitive tumor at ensiform appendix
- Affections of muscular fibers of stomach, intestines, and bladder
- Great dryness of mouth and throat with heavy, dry, numb tongue
- Burning blisters of tongue, lips, and cheeks
- Ulcers on palate, tonsils, and back of pharynx
- Amenorrhoea with scanty menses and orgasms
- Vertigo on going down stairs

Dog's Mercury
Great exhaustion and drowsiness. Tumor at ensiform appendix, very sensitive. Affections of the muscular fibers of stomach, intestines, bladder.
Head
Vertigo on going down stairs. Head confused. Pain as from a band tightly across forehead. Nostrils sore, conscious of nose, feels as if she had two noses.
Mouth
Great dryness of mouth and throat, tongue feels heavy and dry, numb. Burning blisters of tongue, lips and cheeks. Ulcers on palate, tonsils and back of pharynx. Dryness of throat.
Female
Amenorrhœa, scanty menses, accompanied with orgasms. Pains and swelling of breasts. Dysmenorrhœa.
Relationship
Compare: Borax; Croton; Euphorb.
Dose
Third potency.

Mercurialis perennis. Dog's Mercury. N. O. Euphorbiaceæ. Tincture of whole fresh plant in flower.
Clinical
Amblyopia. Breasts, swelling of; pain in. Conjunctivitis. Dysmenorrhœa. Epiphora. Flatulence. Menses, late. Pannus. Ptosis. Rheumatic affections. Spleen, affections of. Tongue, paralysis of. Trachoma. Vertigo.
Characteristics
Dog's Mercury is a common plant with poisonous properties, on account of which it is avoided by cattle. It was proved by Hesse. Like other Euphorbians, it has exceedingly acrid properties, and many of its symptoms resemble closely those of the more corrosive salts of Mercury: prevalence of burning symptoms; irritation of eyes and nose; tenesmus after stool, &c. "Compared with other Euphorbians," says Cooper, "it dries up the mucous surfaces, causing burning locally and a general drowsiness, whilst most Euphorbians set up violent irritation and diarrhœa from the first. Moreover, its action is not expended on the skin so soon as that of the others." Among the most characteristic …
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