General information Halothane is a non-inflammable hydrocarbon that induces anesthesia, with little tendency to excitement. Contrary to earlier assumptions, halothane is metabolized, the consequences of which are discussed below [ , ]. Organs and systems Cardiovascular Halothane, isoflurane, and sevoflurane…
General information Haloperidol is a butyrophenone neuroleptic drug. Its pharmacokinetics have been reviewed, with special emphasis on interactions [ ]. The enzymes involved in its biotransformation include oxidative cytochrome P450 isoenzymes, carbonyl reductase, and uridine diphosphoglucose glucuronosyltransferase. It is mainly…
General information The halogenated quinolines include clioquinol (iodochlorohydroxyquinoline), diiodohydroxyquinoline, broxyquinoline, and chlorquinaldol (all rINNs). Once regarded as a prophylactic and remedy for simple diarrhea, some of them remain in limited use for special purposes, notably for the treatment of amebiasis…
General information Halofantrine is a phenanthrene-methanol derivative of an aminoalcohol, active against multidrug-resistant Plasmodium falciparum malaria. Halofantrine was known during World War II but was little used at that time. It is slowly and incompletely absorbed with peak concentrations 3.5–6…
See also Cyanoacrylates General information Hair bonds and hair extensions are used both as cosmetic hair alterations and in localized or diffuse alopecia. The commercial glues used to affix the exogenous hair are gelatinous liquids that contain pigments, antioxidants, such…
See also Food, drug, and cosmetic dyes General information Hair dyes (for example henna, paraphenylenediamine, and paratoluenediamine) have been reviewed [ ]. They have moderate to low acute toxicity. Poisoning is rare and occurs only after oral ingestion. Contact sensitization…
General information Haemophilus influenzae causes several infectious diseases in man, the most serious being meningitis. Most cases of Haemophilus influenzae infection are due to type b of the organism (Hib). Two types of Hib vaccines have been developed: Hib capsular…
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General information Guar gum is a low-viscosity water-soluble dietary fiber that has been used to treat diabetes because it slows the absorption of glucose from the gut. However, adverse reactions such as regurgitation, obstipation, abdominal cramps, diarrhea, and itching are…
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