stramonium
stramonium
Used Part.
The leaves.
Active Principles.
Alkaloids derived from tropano, to
a
lesser proportion as the deadly nightshade (0, 20 - 0, 45%) hiosciamina, atropine, Scopolamine (more than 33% of the total alkaloids) norescopolamina.
Drug Action.
Atropine and hiosciamina have an action parasimpatholytic: antispasmodic, antiasmática, midriatic, cardioaceleradora (even at low doses causes
a
paradoxical bradycardia)
moderate
amounts of blood, by increasing the
peripheral
resistance. It reduces
gastrointestinal
peristalsis. It produces
a
paralysis of the ureters. Decreases gastric secretion,
pancreatic
, and salivary sudoral. Atropine is
a
bronchodilator (
but
does not inhibit the production of histamine bronchospasm
home
) Analgesic is local. Scopolamine, alkaloid most abundant in the
estramonio
,
has
sedative action on the
central
nervous
system
, regarded as antiparkinsoniano.
Indications.
It
was
used as antiparkinsoniano, antispasmodic and as
a
local analgesic.
Because of the high toxicity of alkaloids on it is better not to use it in allopathic doses.
Caution / Poisoning.
The whole plant is toxic, with similar action,
but
more violent, that the deadly nightshade.
In low - dose poisoning runs with drowsiness, disturbances in vision, loss of sensation. At higher doses: cramping pain, extreme Mydriasis, hallucination, delusion and dizziness.
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