Article · Wikipedia archive · Last revised Jul 1, 2026

Methiodal

Methiodal is a pharmaceutical drug that was used as an iodinated contrast medium for X-ray imaging. Its uses included myelography ; for this use, cases of adhesive arachnoiditis have been reported, similar to those seen under the contrast medium iofendylate.

Last revised
Jul 1, 2026
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≈ 1 min
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Source
Methiodal
Skeletal formula of methiodal
Space-filling model of methiodal as a sodium salt
Clinical data
Trade namesAbrodil, Conturex, Kontrast U
ATC code
Identifiers
  • Sodium iodomethanesulfonate
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
CompTox Dashboard (EPA)
ECHA InfoCard100.004.348
Chemical and physical data
FormulaCH2INaO3S
Molar mass243.98 g·mol−1
3D model (JSmol)
  • C(S(=O)(=O)[O-])I.[Na+]
  • InChI=1S/CH3IO3S.Na/c2-1-6(3,4)5;/h1H2,(H,3,4,5);/q;+1/p-1
  • Key:COCJIVDXXCJXND-UHFFFAOYSA-M
  (verify)

Methiodal is a pharmaceutical drug that was used as an iodinated contrast medium for X-ray imaging.1 Its uses included myelography (imaging of the spinal cord); for this use, cases of adhesive arachnoiditis have been reported, similar to those seen under the contrast medium iofendylate.2

It is not known to be marketed anywhere in the world in 2021.3

References

References

  1. Vällfors B, Hansson HA, Belghmaïdi M, Irstam L, Persson LI (September 1983). "Effect of radiologic contrast media and local anaesthetics on the blood-brain barrier and on the leptomeninges". Acta Neurologica Scandinavica. 68 (3): 164–70. doi:10.1111/j.1600-0404.1983.tb05343.x. PMID 6316706. S2CID 45152412.
  2. Skalpe IO (March 1978). "Adhesive arachnoiditis following lumbar myelography". Spine. 3 (1): 61–4. doi:10.1097/00007632-197803000-00012. PMID 205956. S2CID 23788810.
  3. "Methiodal search results". Drugs.com. Retrieved 2021-03-31.