# K192749: Dermadry

- Pathway: 510(k) (Traditional)
- Applicant: Dermadry Laboratories, Inc.
- Decided: Feb 10, 2020 after 133 days
- Product code: EGJ (Device, Iontophoresis, Other Uses)
- Device class: 2
- Regulation: 21 CFR 890.5525
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K831320 (1983). 3 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K133033: Hidrex PSP1000, Hidrex GmbH (2015) Summary page 4.

## Most influential descendants
- K242041: STOPWET iontophoresis apparatus (SW01) (2025), 0 descendants of its own

## Indications for use
Dermadry is a Tap Water Iontophoresis device. Its intended use is to treat hyperhidrosis (excessive sweating) of the hands, feet and underarms. Using the device in any other way than its intended purpose may be dangerous.

Source page: https://510kreport.com/device/K192749
Methodology: https://510kreport.com/methodology