Asclepias Tuberosa - Boiron

From Boericke's materia medica:

(Pleurisy-root) Its action on the chest muscles is most marked and has been verified. Sick headache, with flatulence in stomach and bowels. Dyspepsia. Bronchitis and pleurisy come within its range. Catarrhal states from cold and damp weather. Irritation of larynx with huskiness; grip, with pleuritic pain. 

Respiratory
Respiration painful, especially at base of left lung. Dry cough; throat constricted; causes pain in head and abdomen. Pain in chest; shooting downward from left nipple. A general eliminative remedy, acting specially on the sudoriparous glands. Chest pains are relieved by bending forward. Spaces between ribs close to sternum tender. Lancinating pain between shoulders. Catarrh, with frontal headache, and sticky yellow discharge. 

Stomach
Fullness, pressure, weight. Flatulence after meals. Sensitive to tobacco. 

Rectum
CATARRHAL DYSENTERY, WITH RHEUMATIC PAINS ALL OVER. Stools smell like rotten eggs. 

Extremities
Rheumatic joints give sensation as if adhesions being broken up on bending. 

Relationship
Compare: ASCLEPIAS INCARNATA-Swamp Milk Weed. (Chronic gastric Catarrh and leucorrhoea. (Dropsy with dyspnoea.) PERIPLOCA GRXCA-One of the Asclepiades- (Cardiac tonic, acts on circulation and respiratory centre, accelerating respiration in a ratio disproportionate to pulse.) BRYONIA; DULC.