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Clinicians try to match the modality to the malady.
By Jonathan Bassett Few modalities have been the target of as much controversy and speculation as iontophoresis and phonophoresis. But the allure of administering medications without pills or needles appeals to patients and practitioners. While mounting clinical research supports the positive outcomes of these modalities, it's results from clinics that encourage therapists. Minn. The condition must be acute, local and inflamed, he says. For instance, if Smith can't pinpoint the injury to a location roughly the size of a silver dollar, he won't use iontophoresis.