Apocynum cannabinum

Made from Canadian hemp — the American dogbane of the Eclectic dropsy wards, and the classical remedy of the great dropsy with the thirstless sinking.

SourcePlant sourceHerbal kingdom

The whole picture, in one breath

Think of a body filling with water and refusing drink: dropsy — ankles, belly, chest — with a peculiar thirstlessness, nausea at the sight and smell of food, a sinking of the whole system, and urine scanty and albuminous; the books' great dropsy remedy of the old American school. The thirstless sinking dropsy: that is Apocynum.

The substance, in plain words

Canadian hemp is the dogbane of the American north — not the drug hemp at all, but a genuinely bitter, diuretic plant the Eclectic school used in dropsy of the heart and kidneys. Its cardiac-glycoside-free chemistry genuinely moves fluid; the proving gave the remedy its thirstless, sinking, dropsical portrait.

The traditional picture Classical sources

The inner state

The body

Modalities (worse and better factors)

Worse from ⬇Better from ⬇
cold damp weather; night; exertion; the sight and smell of food.rest; warmth; free flow of urine.

Where it acts (organ affinities)

Heart and kidneys, fluid balance, stomach, general vitality.

Where the classical picture comes from

The Eclectic dropsy wards gave the proving its frame — the heart-failure and kidney cases of the pre-diuretic era; Apocynum became the classical remedy of the thirstless sinking dropsy, used where the body filled and the system sank.

The substance in real medicine Pharmacology

What this section is: the pharmacology and toxicology of the source substance. It is not clinical evidence that a homeopathic preparation of it treats any condition. What controlled trials do and do not show is set out on the Evidence page.

Canadian hemp was a genuine Eclectic diuretic drug of the dropsy era — its bitter chemistry really moves fluid, and its clinical career is documented. The dropsy it treated is now heart-failure and nephrology's: modern diuretics — furosemide and its kin — are among the most effective drugs ever deployed, draining in hours what the old remedies managed in weeks. The territory has real, powerful answers now.

Look-alikes (how the classical authors told it apart)

RemedyLooks similar because…Tells it apart because…
Convallaria majalisDropsied heartConvallaria is the fluttering dropsied heart better for motion; Apocynum the thirstless sinking dropsy.
Adonis vernalisDropsy with scanty urineAdonis is the fluttering renal heart; Apocynum the thirstless, food-revulsed dropsy.
Digitalis purpureaHeart failure dropsyDigitalis is slow and nauseated; Apocynum thirstless and sinking.
Arsenicum albumSinking, anxietyArsenicum is anxious, chilly and sipping; Apocynum thirstless and revulsed by food.
Safety. Swelling of the ankles or belly with breathlessness is a medical emergency in heart failure — assessed immediately; scanty urine with swelling needs urgent review.
Compiled by Dr. Sohil Momin, BHMS · Open Materia Medica