Lac felinum
Cat's milk · Sarcode
Lac Felinum suits patients with intense eye and head symptoms, particularly left-sided neuralgic pains extending through the brain. A notable constitutional feature is morbid conscientiousness. The remedy has been confirmed in cases of keratitis, corneal ulcers, and ciliary neuralgia with extreme photophobia.
Key symptoms
- Terrible headache penetrating the left eyeball to centre of brain
- Pain in left supra-orbital region extending through brain to right vertex
- Eyes feel as if they extend back into the head
- Great photophobia; any continued glare causes pain
- Corneal ulcer with deep burning pain running from eye to occiput on lying down
- Morbid conscientiousness
- Heaviness in forehead
- Scalded sensation on tongue
- Absence of appetite
Worse (aggravation)
- Lying on left side
- At night (burning in left temple, soreness of throat)
- Continued glare of light

Cat's Milk. Dilution.
Clinical
Ciliary neuralgia. Dysmenorrhœa. Headache, Keratitis. Mouth, inflammation of. Stye. Throat, catarrh of.
Characteristics
This is another of the remedies introduced by Swan. The full pathogenesis appears in Med. Visitor, Aug., 1893, part having already appeared in H. W., xviii. 15l. The greatest number of the symptoms were experienced in the head and eyes, and many of these have been confirmed. Here is one from Swan: "Terrible headache penetrating the left eyeball to centre of brain, with pain in left supra-orbital region extending through brain to right vertex" (H. W., xviii. 429). Many eye cases are on record. Swan benefited this case: "Pain in eyes back into head, extremely sharp, with a sensation as if the eyes extended back. Great photophobia: any continued glare causes the pain" (H. W., xvii. 54). Berridge reports this case: "Mr. H., 37. Left eye inflamed three weeks; deep red; photophobia; on left segment of cornea an ulcer. For three nights pain like a knife running …
Classical texts are in the public domain. Educational reference only — not medical advice.