Belladonna: poisonous, but useful
herbaceous plant belladonna (beautiful woman) got its name in the Middle Ages, when the Italians used it as a cosmetic, digging into his eyes.After that, pupils dilate, his eyes turn black, bottomless, mysterious and brilliant.It was used and how the poison.Today, this herb is used to produce drugs.
belladonna belladonna, or deadly nightshade - a perennial herb of the family Solanaceae.The most common two types of plants - common and belladonna belladonna Caucasian.Both species are similar.This plant is up to two meters, which has many-headed rhizome branched with large roots.Stems thick, succulent leaves are alternate, thick brownish-green, oblong-ovate.Flowers are alone, drooping, on short stalks.Pyatizubchatym calyx, a five-brown-purple blades.Fruit - bilocular, shiny, black, juicy berry-seeded size of a cherry.Seeds rounded, black, flat.Flowers in June - July, the fruits ripen in August - September.
Krasavka vulgaris growing in Ukraine, Crimea, Moldova, in Western Europe.Belladonna Caucasian widespread in the Krasnodar and Stavropol territories, as well as in various regions of the Caucasus and Iran.In the tropics it grows another kind of herb, wherein yellow flowers.
As a medicinal plant grown in our country on the plantations in the Krasnodar region.In folk medicine, it is not applicable because of their toxic properties.
chemical composition of belladonna
current starting belladonna alkaloids tropane series, among which is the main hyoscyamine.In the process of selection of raw materials hyoscyamine partially converted to atropine.The belladonna contain also other biologically active substances: scopolamine, hyoscine and its isomer, its isomer and apoatropin belladonin other.These alkaloids are found in all parts of the plant, but most of them in the leaves and roots.As a medicinal plant used mainly leaves of belladonna.All parts of the plant are poisonous.
belladonna action on the human body and its use in medicine
drugs belladonna reduce secretions of the sweat, lacrimal, salivary, gastric, bronchial glands, as well as the secretion of digestive secretions of the pancreas Diabetes and pancreas - thingsyou need to know .They reduce the spasm of smooth muscles of the gastrointestinal tract, biliary tract and gallbladder.
At heart they can influence positively (to improve the conductivity of cardiac impulses from the atria to the ventricles of the heart) and negative (causing palpitations).
Belladonna maximizes pupils - this ability is used for examination of the fundus.But this violates the outflow of intraocular fluid and increased intraocular pressure.
Belladonna easily poisoned.Symptoms of poisoning are dryness and burning in the mouth and throat, impaired swallowing and pronouncing sounds, hoarseness, palpitations, pupils are dilated, the light does not react, the man badly sees up close.Increased body temperature, dyspnea, and cyanosis of the skin, pronounced swelling of the face, in the forearms and shins.Can begin to hallucinate (person sees, hears and feels what is actually there) and delusions (he correctly perceives the situation, events, behavior of others).Hallucinations are characterized by: very bright, colorful, often painted in red (rats, devils).In severe poisoning, impaired consciousness, arousal often goes into convulsions.If time does not help that person, he dies of heart failure and breathing.
first thing you need to do in case of poisoning belladonna - is to wash out the stomach and give the victim a few tablets of activated charcoal Activated carbon - old but indispensable .Then you should call an ambulance, because without health care to cope with such poisoning is impossible.
application of belladonna in medicine
For drugs belladonna, which can be purchased at the pharmacy are tincture of belladonna, an extract of the herb extract of belladonna thick and dry.Apply them mainly as antispasmodics for stomach ulcers and duodenal ulcers, gallstones, asthma Bronchial asthma - the body's response inadequate , renal colic Renal colic: a signal that the kidney is in danger and other diseases involving smooth muscle cramps internal organs.For diagnostic purposes belladonna drugs used for instillation in the eye prior to the study of the fundus (the pupil dilates and fundus becomes easier to see).
Drugs belladonna are based on a lot of contraindications, so they are contraindicated in increased intraocular pressure (glaucoma), an enlarged prostate in violation of the passage of urine, as well as serious violations of the cardiovascular system.Contraindications for such drugs is their idiosyncrasy.
During treatment with belladonna must be better not to drive or engage in other activities that require high concentration and good vision.
Belladonna - very dangerous poisonous weeds and apply it only in the form of medicines purchased at a pharmacy.