hyoscyamine


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Related to hyoscyamine: Hyoscyamine sulfate

hyoscyamine

 [hi″o-si´ah-mēn]
an anticholinergic and antimuscarinic alkaloid from plant species of the genus Hyoscyamus and others. It is the levorotatory component of atropine with actions similar to those of atropine but with more potent effects. Used primarily as a gastrointestinal or urinary tract antispasmodic agent.

hy·o·scy·a·mine

(hī'ō-sī'ă-mēn),
An alkaloid found in hyoscyamus, belladonna, Duboisia, and stramonium; the levorotatory component of the racemic mixture atropine; used as an antispasmodic, analgesic, and sedative; hyoscyamine hydrobromide is used for the same purposes.

hyoscyamine

/hyo·scy·amine/ (hi″o-si´ah-mēn) an anticholinergic alkaloid that is the levorotatory component of racemic atropine and has similar actions but twice the potency; used as an antispasmodic in gastrointestinal and urinary tract disorders, as the base or hydrobromide or sulfate salt.

hyoscyamine

(hī′ə-sī′ə-mēn′)
n.
A poisonous white crystalline alkaloid, C17H23NO3, isometric with atropine and having similar uses but more potent effects.

hyoscyamine

[hī′əsī′əmēn]
an anticholinergic/antispasmodic.
indications It is prescribed in the treatment of hypermotility of the GI and lower urinary tracts and is used preoperatively to reduce secretions and block vagal inhibitory effects on the heart.
contraindications Narrow-angle glaucoma, asthma, obstruction of the genitourinary or GI tract, severe ulcerative colitis, or known hypersensitivity to this drug prohibits its use.
adverse effects Among the more serious adverse effects are blurred vision, central nervous system effects, tachycardia, dry mouth, decreased sweating, and hypersensitivity reactions.

hy·o·scy·a·mine

(hī'ō-sī'ă-mēn)
An alkaloid found in hyoscyamus, belladonna, Duboisia, and stramonium; used as an antispasmodic, analgesic, and sedative; hyoscyamine hydrobromide is used for the same purposes.

hyoscyamine

An ATROPINE-like drug used to relax smooth muscle spasm, as in colic, and for its sedative effect.

hy·o·scy·a·mine

(hī'ō-sī'ă-mēn)
Alkaloid; used as an antispasmodic, analgesic, and sedative.

hyoscyamine

an anticholinergic alkaloid usually obtained from species of the plant Hyoscyamus and other solanaceous plants. It is the levorotatory component of atropine with actions and uses similar to those of atropine but with more potent effects.
References in periodicals archive ?
Etude de la teneur en hyoscyamine et en scopolamine d'une population sauvage de Datura stramonium L en Algerie.
Biosynthetic studies on the tropane alkaloid hyoscyamine in Datura stramonium; Hyoscyamine is stable to in vivo oxidation and is not derived from littorine via a vicinal interchange process.
Like Mandragora and a number of other plants in this family, belladonna, shown in Figure 21-3, contains several powerful alkaloids, including hyoscyamine, scopolamine, and atropine.
4 mg daily SQ or continuous IV infusion Hyoscyamine sulfate 0.
Mandrake is not used in modern pharmaceutics any longer, but chemical drugs are available which include the active ingredients also found in mandrake, such as hyoscyamine and scopolamine (Van Wyk et al.
Around 1880, scopolamine and hyoscyamine were identified as the main active principles of pharmaceutical importance in leaves of D.
Each contains atropine, hyoscyamine, and scopolamine; the latter implicated in hallucinogenic activities associated with witchcraft.
Short term treatment of the irritable bowel syndrome: a placebo-controlled trial of peppermint oil against hyoscyamine.
It has been suggested that the hallucinogen is Datura stramonium (the thorn-apple), which contains the alkaloids hyoscyamine, atropine, and hyoscine, and whose properties were known in antiquity: Philipp 1959, p.
Scopolamine and hyoscyamine, both of which are major constituents of Datura species, are most concentrated in the seeds and can cause anticholinergic poisoning in exposed persons.
All parts of jimson weed, but especially the seeds and the fruit, are rich in the anticholinergic compounds scopolamine, atropine, and hyoscyamine.
Medication Used to Treat Bladder Dysfunction in MS Patients Drug Dosage Failure to Store Oxybutynin HCL (Ditropan; 5 mg 1-3 times/day, XL 5 mg-10 Ditropan XL) mg qd Hyoscyamine Sulfate (Levbid) 0.