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At least 415 records · Page 23Linked to original sources
PubMed1987

Clinical effects of accidental levothyroxine ingestion in children.

Forty-one children, aged 1 to 5 years, who accidentally ingested levothyroxine sodium were studied. Symptoms possibly associated with the ingestion occurred in 11 patients (27%). These symptoms (tachycardia, hyperactive behavior, fever, vomiting, diarrhea, diaphoresis, and flushing) were categorized as minor and all resolved without treatment. Because observed effects were generally mild and often unrelated to either estimated amounts of hormone consumed or serum thyroxine levels, a conservative approach to patient treatment is recommended in cases of levothyroxine ingestion in children.

Administration, Oral↗
PubMed1990

Acute poisonings among adolescents and young adults with anorexia nervosa.

The diagnosis and management of acute poisoning episodes in adolescents and young adults with anorexia nervosa are complicated by their underlying psychopathologic conditions. We investigated 23 consecutive cases of poisoning in 21 patients with anorexia nervosa reported to the Massachusetts Poison Center, Boston, during a 13-month period. All were intentional self-poisonings. Agents involved most often were psychotherapeutic drugs, cathartics, and/or analgesics. Potentially life-threatening drugs were often implicated in the poisoning. Diagnosis was complicated by purposefully deceptive information from patients and the presence of unsuspected toxins. Treatment was complicated by long delays to presentation for medical care and by underlying metabolic abnormalities. Decontamination efforts were complicated by the patients' prior use of emetics and cathartics. Seventeen patients required hospitalization; 4 patients suffered a complicated hospital course and a fifth patient died.

Adolescent↗
PubMed2004

Enantioselective total syntheses of the Ipecacuanha alkaloid emetine, the Alangium alkaloid tubulosine and a novel benzoquinolizidine alkaloid by using a domino process.

The first enantioselective syntheses of the Ipecacuanha alkaloid emetine (1) and the Alangium alkaloid tubulosine (2) is described employing a domino Knoevenagel/hetero-Diels-Alder reaction and an enantioselective catalytic transfer hydrogenation of imines as key steps. Thus, hydrogenation of the imine 15 with the catalyst (R,R)-16 gives the tetrahydroisoquinoline 14 with 95 % ee which was transformed into the aldehyde (1S)-7. The three-component domino reaction of (1S)-7 with 6 and 8 led to 19, which in a second domino process was treated with K(2)CO(3) in methanol followed by a hydrogenation to give the benzoquinolizidine 4 together with the diastereomers 22 and 23 in a overall yield of 66 %. Further transformation of 4 with the amines 3 and 5 yielded enantiopure emetine (1) and tubulosine (2), respectively. In addition, starting from 19 the novel benzoquinolizidine alkaloid 34 was synthesised; this compound resembles the vallesiachotamine alkaloid dihydroantirhin 31, which has not been isolated so far but probably must also exist in nature.

Alangiaceae↗
PubMed1990

Drug-induced purposeless chewing: animal model of dyskinesia or nausea?

Drug-induced purposeless chewing movements in rodents are often considered to represent movement disorders or dyskinesias. We have compared the ability of drugs to induce chewing and retching or emesis in squirrel monkeys; such studies are not possible in rodents, which do not vomit. Acute administration of oxotremorine (3.3-33 micrograms/kg IM), SKF38393 (1-30 mg/kg SC) or ipecacuanha (0.5-0.75 mg/kg PO) caused dose-related increases in purposeless chewing which was frequently associated with retching and emesis. Treatment with haloperidol (0.015-0.06 mg/kg IM) did not induce chewing. Rather, haloperidol decreased spontaneous chewing at doses of 0.03 and 0.06 mg/kg. Our findings indicate that at least some drug-induced oral behaviours in rodents may reflect nausea rather than dyskinesia.

2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-ben↗
PubMedDate not supplied

Poisoning.

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Adolescent↗