Iris versicolor, Blue Flag.

Thyroid, pancreas, salivary, intestinal glands, and gastro-intestinal mucous membrane, are especially affected. Increases the flow of bile. Sick headaches and cholera morbus are a special therapeutic field for its action.
Head.--Frontal headache, with nausea. Scalp feels constricted. Right temples especially affected. Sick headache, worse rest; begins with a blur before eyes, after relaxing from a mental strain. Pustular eruption on scalp.
Ears.--Roaring, buzzing, ringing in ears, with deafness. Aural vertigo, with intense noises in ears.
Face.--Neuralgia after breakfast, beginning in infra-orbital nerve, and involving whole face.
Throat.--Mouth and tongue feel scalded. Heat and smarting in throat. Burning. Profuse flow of saliva; ropy. Goitre.
Stomach.--Burning of whole alimentary canal. Vomiting, sour bloody, biliary. Nausea. Profuse flow of saliva (Merc; Ipec; Kali iod). Deficient appetite.
Abdomen.--Liver sore. Cutting pain. Flatulent colic. Diarrhoea; stools watery, with burning at anus and through intestinal canal. Periodical night diarrhoea, with pain and green discharges. Constipation (give 30th)
Extremities.--Shifting pains. Sciatica, as if left hip-joint were wrenched. Pain extends to popliteal space. Gonorrhoeal rheumatism (use Irisin).
Skin.--Herpes zoster, associated with gastric derangements. Pustular eruptions. Psoriasis; irregular patches with shining scales. Eczema, with nightly itching.
Modalities.--Worse, in evening and at night, from rest. Better, from continued motion.
Relationship.--Antidote: Nux. Compare: Iris florentina-Orris-root-(delirium, convulsions, and paralysis); Iris factissima (headache and hernia); Iris germanica-Blue Garden Iris-(dropsy and freckles); Iris tenax-I. minor-(dry mouth; deathly sensation at point of stomach, pain in ileo-caecal region; appendicitis. Pain from adhesions after). Pancreatinum-a combination of several enzymes-(Indicated in intestinal indigestion; pain an hour or more after eating. Lienteric diarrhoea. Dose.--3-5 grains, better not given during the active period of stomachic digestion). Pepsinum-(Imperfect digestion with pain in gastric region. Marasmus of children who are fed on artificial foods. Diarrhoea due to indigestion. Dose.--3-4 grains) (Diseases of pancreas, gout, diabetes); Ipec; Podoph; Sanguin; Ars; Ant cr.
Dose.--Tincture to thirtieth potency. Favorable reports from the very highest potencies.

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.