High serotonin

external

• Synonyms

  • High 5-hydroxytryptamine
  • High 5-HT

• Causes

  • Carcinoid tumour
  • Selective serotonin reuptake inhibitor

• Effects

  • Watery diarrhoea
  • Increased gut motility
  • Increased vascular tone

• Parents

  • Biochemical investigation