This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Parthenium, Bitter Broom. Small doses of a tincture are used in Cuba as a remedy for fevers, following the administration of quinine. It is said to favorably influence Cheyne-Stokes respiration. Excessive doses cause headache and disordered vision.