belladonna

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belladonna

 [bel″ah-don´ah]
Atropa belladonna (deadly nightshade), a plant that is the source of numerous alkaloids, such as atropine and hyoscyamine.
the dried leaves and fruiting tops of this plant, used in the pharmacologic preparation of anticholinergic medications for treatment of peptic ulcer and other gastrointestinal disorders. Also known as belladonna leaf.
belladonna poisoning a severe toxic condition due to accidental or purposeful overdosage of belladonna. (Some herbal remedies and over the counter medications have it as an ingredient, or the plant or parts of it may be ingested.) Symptoms include dryness of the mouth, thirst, dilated pupils, flushed skin or rash on the face, neck, and upper trunk, tachycardia, fever, delirium, and stupor.

Treatment of belladonna poisoning will depend on the patient, dose, and route of administration. A poison control center or emergency services should be contacted immediately if poisoning occurs in the home. Airway maintenance, monitoring, administration of activated charcoal, and control of temperature will be done in the clinical setting.

bel·la·don·na

(bel'ă-don'ă),
Atropa belladonna (family Solanaceae); a perennial herb with dark or yellow purple flowers and shining purplish-black berries; the leaves (0.3% belladonna alkaloids) and root (0.5% belladonna alkaloids) orginally were sources of atropine scopalamine and related alkaloids, which are anticholinergic. Belladonna is used as a powder (0.3% belladonna alkaloids, calculated as hyoscyamine) and tincture in the treatment of diarrhea, asthma, colic, and hyperacidity.
Synonym(s): deadly nightshade
[It. bella, beautiful, + donna, lady]

belladonna

/bel·la·don·na/ (bel″ah-don´ah) the deadly nightshade, Atropa belladonna, a perennial plant containing various anticholinergic alkaloids, including atropine, hyoscyamine, and scopolamine, which are used medicinally; however, the plant or its alkaloids can cause poisoning.

belladonna

(bĕl′ə-dŏn′ə)
n.
1. A poisonous perennial herb (Atropa belladonna) native to Eurasia and northern Africa and naturalized in parts of North America, having nodding, purplish-brown, bell-shaped flowers and glossy black berries. Also called deadly nightshade.
2. An alkaloidal extract or tincture derived from this plant and used in medicine.

belladonna

[bel′ədon′ə, belädôn′ä]
Etymology: It, fair lady
the dried leaves, roots, and flowering or fruiting tops of Atropa belladonna, a common perennial called deadly nightshade, containing the alkaloids hyoscine and hyoscyamine. Hyoscyamine has anticholinergic and antispasmodic properties.

belladonna

Drug slang
A regional term for phencyclidine (PCP).
 
Herbal medicine
A perennial herb which is highly toxic if taken internally at full concentration; belladonna contains scopolamine and hyoscyamine, which are used as antispasmodics in mainstream medicine and for gout and rheumatism in herbal medicine.
 
Toxicity
Belladonna causes diarrhoea, dilated pupils, dry mouth, flushing, hallucinations, hypertension, incoordination, nausea, speech impairment, tachycardia, vision impairment, vomiting, coma, possibly death.

Homeopathy B
elladonna is used for conditions of abrupt onset, acute infections, cough, earache, fever, headaches, seizures, sore throat, teething in children, urinary tract infections.

Ophthalmology
Belladonna derivatives—e.g., homatropine eye drops—are instilled into the eye to dilate the pupil

bel·la·don·na

(bel'ă-don'ă)
Atropa belladonna; a perennial herb with dark purple flowers and berries. Originally used as a source of atropine.
Synonym(s): deadly nightshade.
[It. bella, beautiful, + donna, lady]

belladonna

A crude form of ATROPINE derived from the leaves and roots of the poisonous plant, Atropa belladonna . The term derives from the cosmetic use of the alkaloid to widen the pupils. Bella donna is Italian for beautiful woman.

atropine 

An alkaloid obtained from the belladonna plant. It is an antimuscarinic drug. In the eye it acts as a mydriatic and as a cycloplegic. It paralyses the pupillary sphincter and the ciliary muscle by preventing the action of acetylcholine at the parasympathetic nerve endings. See acetylcholine; cycloplegia; mydriatic.

bel·la·don·na

(bel'ă-don'ă)
Atropa belladonna (family Solanaceae); a perennial herb with dark or yellow purple flowers and shining purplish-black berries and tincture to treat diarrhea, asthma, colic, and hyperacidity.
[It. bella, beautiful, + donna, lady]

belladonna

Atropa belladonna (deadly nightshade), a plant that is the source of various alkaloids, e.g. atropine, hyoscyamine, etc.

belladonna leaf
the dried leaves and fruiting tops of Atropa belladonna, used as an anticholinergic in the management of gastrointestinal disorders.
belladonna poisoning
a severe toxic condition due to overdosage of belladonna or accidental ingestion of large amounts of the drug. Signs include dryness of the mouth, thirst, dilated pupils, tachycardia, fever and stupor.