Where do we find the pathogenesis of this remedy ? In Hahnemann's Materia Medica Pura . What is Stramonium ? It is called the Thorn apple , or Jamestown weed , and it grows about towns on deserted piles of rubbish and in waste places. Alkaloid Daturin . What parts are used in making the tincture and how is it made ? The entire fresh plant treated as described under Aconite . What is its general action ? Acts mainly on the sensorium, giving rise to delirium and hallucinations and picturing acute mania. In other respects its action is also similar to Belladonna and Hyoscyamus , from which it differs by its greater sensorial perversion. It has less congestion than Belladonna , never approaching a true inflammatory condition. What are its mental symptoms ? Wild delirium, with bright red face, eyes bright, wild and suffused ; horrible hallucinations, objects start from every corner, animals spring up to terrify ; there is great loquacity, the patient talks all the time, laughs, plays, sings, and prays ; he desires light and fears dark ; bright objects cause delirium, spasms and convulsions. How does the loquacity of Lachesis compare ? In Lachesis the patient continually jumps from one subject to another. When is Stramonium indicated in erysipelas ? When there are brain complications, such as violent delirium, screaming out terrified. What are the indications for Stramonium in asthma ? In nervous asthma, where the voice suddenly gives out and takes on a higher pitch. Great sense of suffocation with tight feeling across chest ; face becomes blue. What effect has Stramonium upon the urinary secretion ? It causes suppression of the urine, and has been found of use in suppression of urine in typhoid fever.