Castoreum canadense
Castoreum (beaver, Castor canadensis) · Animal
Suited to nervous, hysterical women with cramps, pains, and weakness after severe illness. These patients do not recover fully and remain continually irritable, suffering from debilitating sweats and lack of vital reaction. The remedy also suits those with fibrillar twitching, chorea, and reflex uterine disturbances.
Key symptoms
- Hysterical symptoms with marked prostration and debility
- Nervous women who do not recover fully after illness
- Constant yawning and restless sleep with frightful dreams and starts
- Day-blindness and intolerance of light
- Spasmodic affections after debilitating diseases
- Dysmenorrhea with blood discharged in drops with tenesmus
- Predominant chilliness with ice-coldness in back
- Continual irritability with debilitating sweats

The Beaver (CASTOREUM)
A great remedy for hysteria. Prostration marked.
Hysterical symptoms. Day-blindness; cannot endure the light. Nervous women who do not recover fully, but are continually irritable, and suffer from debilitating sweats. Spasmodic affections after debilitating diseases. Constant yawning. Restless sleep with frightful dreams and starts.
Tongue
Swollen. Rounded elevation size of a pea in center, with drawing sensation from center to hyoid bone.
Female
Dysmenorrhœa; blood discharged in drops with tenesmus. Pain commences in middle of thighs. Amenorrhœa, with painful tympanites.
Fever
Predominant chilliness. Attacks of chilliness with ice-coldness in back.
Relationship
Compare: Ambra; Moschus; Mur acid; Valeriana.
Antidote: Colch.
Dose
Tincture, and lower potencies.

The Beaver. N. O. Rodentia. Tincture of secretion, found in preputial sacs of beaver.
Clinical
Chorea. Convulsions. Digestion, disordered. Dysmenorrhœa. Eclampsia. Flatulence. Hernia. Hysteria. Ileus. Paralysis. Pregnancy, vomiting of. Reaction, deficient. Sexual organs, inflammation of; spasms of. Sycosis. Tetanus. Typhoid, lack of recuperation after. Typhus. Warts. Yawning.
Characteristics
Castoreum resembles Ambra, Moschus, Ignatia, and Valerian. It is suited to nervous women, with pains, cramps, weakness after severe illness; hysterical individuals; abdominal soreness; nervous attacks when the aura starts from abdomen. The pains are > by pressure. Menstrual colic, with pallor and cold sweat. Prostration is a leading feature in the effects of the drug. There is also a feeling of fulness in the stomach as if too much had been eaten.

Phatak's chapter on Castoreum canadense is available in the app.
Read Phatak in the appClassical texts are in the public domain. Educational reference only — not medical advice.