IH may refer to:

In science and technology

In medicine

  • Immune-histochemistry
  • intrauterine hypoxia
  • Hepatitis A (infectious hepatitis)
  • Idiopathic hypersomnia
  • Intracranial hypertension

Other uses in science and technology

  • Hydrogen iodide
  • Induction heating

:* Induction heater

  • Industrial hygiene, the control and prevention of hazards in a work environment
  • I<sub>h</sub>, full icosahedral symmetry

Other uses

  • ih, see List of Latin-script digraphs#I
  • Információs Hivatal, a Hungarian intelligence office
  • International House World Organisation
  • International Harvester, a manufacturer of agricultural machinery, construction equipment, trucks, and other products
  • IH, notation for intersection homology groups
  • Interstate Highway

See also

  • HI (disambiguation)