Pharm

Iontophoresis

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Iontophoresis

  • Definition
  1. Transcutaneous medication delivery to deeper tissues potentiated by electrical current
  • Mechanism
  1. Cathodes are used to drive in negatively charged substances
  2. Anodes drive in positively charged particles
  • Protocol
  1. Medication applied to skin (e.g. Dexamethasone 0.4% for local inflammation)
  2. Cathode or anode applied per substance used as described above
  3. Amperage adjusted for skin resistance
  • Indications
  • Contraindications
  1. Avoid over open wound sites, metallic implanted devices, pins, staples, or wires
  2. Peripheral Neuropathy or other sites with decreased sensation