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The use of an electric current to transport an ionized substance, especially a drug, through the skin.

[From Greek ion, iont-, something that goes; see ion + -phoresis.]

i·on′to·pho·ret′ic (-rĕt′ĭk) adj.


(Biochemistry) biochem a technique for studying neurotransmitters in the brain by the application of experimental solutions to the tissues through fine glass electrodes
[C20: from Greek iont-, ion, from ienai to go + -phoresis]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.iontophoresis - therapy that uses a local electric current to introduce the ions of a medicine into the tissues
therapy - (medicine) the act of caring for someone (as by medication or remedial training etc.); "the quarterback is undergoing treatment for a knee injury"; "he tried every treatment the doctors suggested"; "heat therapy gave the best relief"


n iontoforesis f
References in periodicals archive ?
3) The collection of sweat by quantitative pilocarpine iontophoresis, where cholinergic drugs are used as stimulators of sweat, is used as the follow-up of abnormal newborn screen and for the establishment of definitive diagnosis.
In keeping with the overall NBS notification and reporting practices, the designated follow-up person from the CF NBS program should identify the primary care provider (PCP), notify that person of the positive screen result, and recommend that the infant be referred for quantitative pilocarpine iontophoresis sweat testing, which is the diagnostic test for cystic fibrosis.
The pilocarpine iontophoresis and sweat-chloride quantitation method in this document is used to rule in or rule out cystic fibrosis, and is recommended by the Cystic Fibrosis Foundation.