title: [Drugs and vitamins].
abstract: Since most of the drugs are taken orally via the gastrointestinal tract, interactions with food ingredients may lead to alterations in the intake of essential dietary factors. With regard to vitamins the following effects have been demonstrated: early decomposition resp. inactivation, decreased absorption or a qualitatively and quantitatively modified metabolism. Examples of such changes are given with regard to water- and lipid-soluble vitamins.
mesh_terms: D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects; D004231:Diuresis / Q000187:drug effects; D004347:Drug Interactions; D000431:Ethanol / Q000494:pharmacology; D005260:Female; D005492:Folic Acid / Q000378:metabolism; D006801:Humans; D008297:Male; D011736:Pyridoxine / Q000378:metabolism; D012995:Solubility; D013831:Thiamine / Q000494:pharmacology; D014804:Vitamin B Deficiency / Q000139:chemically induced; D014815:Vitamins / Q000378:metabolism*
chemical_list: D003278:Contraceptives, Oral, Hormonal; D014815:Vitamins; D000431:Ethanol; D005492:Folic Acid; D011736:Pyridoxine; D013831:Thiamine
vernacular_title: Arzneimittel und Vitaminversorgung.