510(k) Report

510(k) · Cleared

Cleared

TheraBreath Dry Mouth Oral Rinse, TheraBreath Dry Mouth Lozenges

K171542510(k) TraditionalCleared Mar 16, 2018294-day reviewClass U

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Dr. Harold Katz, LLC (Dba Therabreath · LFD Saliva, Artificial

Cleared on Mar 16, 2018 as substantially equivalent to K152201 (Medactive Oral Pharmaceuticals, LLC, 2015) and 1 other predicate after a 294-day review. Its family tree reaches back 7 generations to 1988.

Decided
Mar 16, 2018
Review
294 days
Class
Class U
Product code
LFD
Recalls
None
Predicates
2

Its longest line of descent runs back 7 generations to K874106 (1988). 11 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 7 generations backK874106 Glandosane (Salivart) Synthetic SalivaFresenius USA, Inc. · 1988
  2. 6 generations backK991938 Caphosol Artificial SalivaInpharma A.S. · 1999
  3. 5 generations backK024148 Salinum, OrclairSinclair Pharmaceuticals, Ltd. · 2003
  4. 4 generations backK051812 Tgo SprayLaboratoires Carilene S.A.S. · 2005
  5. 3 generations backK061331 Oral Balance Liquid/ GelLaclede, Inc. · 2006
  6. 2 generations backK101477 Biotene Dry Mouth Mouthwash, Biotene PBF Dry Mouth MouthwashGlaxosmithkline Consumer Healthcare (Gskch) · 2010
  7. 1 generation backK111250 Dry Mouth MouthwashDr. Fresh, Inc. · 2012
  8. This deviceK171542 TheraBreath Dry Mouth Oral Rinse, TheraBreath Dry Mouth LozengesDr. Harold Katz, LLC (Dba Therabreath · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K874106Glandosane (Salivart) Synthetic SalivaFresenius USA, Inc.1988—
−6K991938Caphosol Artificial SalivaInpharma A.S.1999—
−5K024148Salinum, OrclairSinclair Pharmaceuticals, Ltd.2003—
−4K051812Tgo SprayLaboratoires Carilene S.A.S.2005—
−3K061331Oral Balance Liquid/ GelLaclede, Inc.2006—
−2K101477Biotene Dry Mouth Mouthwash, Biotene PBF Dry Mouth MouthwashGlaxosmithkline Consumer Healthcare (Gskch)2010—
−1K111250Dry Mouth MouthwashDr. Fresh, Inc.2012—
0 (this device)K171542TheraBreath Dry Mouth Oral Rinse, TheraBreath Dry Mouth LozengesDr. Harold Katz, LLC (Dba Therabreath2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
200310
201310
201510
FIG. 1 — Lineage of K171542, 1988–2018Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in LFD? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new LFD device

  1. #1 K253778 Allday Moisturizing Rinsescore 11.2 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K152201MedActive Oral Gel and Spray
Summary page 4
…lly marketed predicate device: MedActive Oral Relief Spray and MedActive Oral Relief Gel, marketed by Medactive Oral Pharmaceuticals, LLC, Premarket Notification Number: K152201, FDA Product Code LFD (Saliva, Artificial; Unclassified); and to the reference devices: Dr. Fresh Orazyme Dry Mou…
Medactive Oral Pharmaceuticals, LLC2015—
*K111250Dry Mouth Mouthwash
Summary page 5
…ial; Unclassified); and to the reference devices: Dr. Fresh Orazyme Dry Mouth Mouthwash marketed by Dr. Fresh, LLC, 510(k) Premarket Notification Number: K111250, FDA Product Code LFD (Saliva, Artificial; Unclassified); and, SST 100 Lozenges marketed by Hexim Pharmaceuticals, 510(k) Premark…
Dr. Fresh, Inc.2012—
†K023046SST Saliva Supporting TabletsSinclair Pharmaceuticals, Ltd.2002—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 30 years and passes through 8 companies; a new generation was cleared every 4.1 years on median.
  • 2 of the 11 ancestors have a recall of any class.

How does its category compare?

All LFD devices

LFD Saliva, Artificial: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · LFD

1in 2025

2007: 22009: 32010: 12011: 32012: 22013: 22015: 52017: 32018: 52019: 32020: 12021: 22023: 12024: 22025: 12026 (partial year): 1
2007high 5 (2015) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LFD

287in 2019

2009: 83 days median2011: 209 days median2015: 156 days median2017: 231 days median2018: 210 days median2019: 287 days median
2007high 287 (2019) · low 83 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LFD

1in 2013

2007: 12013: 1
2007high 1 (2007) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · LFD

11in 2025

2007: 22010: 12011: 52012: 72013: 372014: 192015: 282016: 682017: 512018: 372019: 402020: 342021: 302022: 152023: 102024: 142025: 11
2007high 68 (2016) · low 0 (2008)2025

MAUDE reports naming product code LFD, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—12
20080—00
200938300
20101—01
2011320905
20122—07
20132—137
20140—019
20155156028
20160—068
20173231051
20185210037
20193287040
20201—034
20212—030
20220—015
20231—010
20242—014
20251—011
20261—0—

What is it indicated for?

TheraBreath Dry Mouth Oral Rinse is intended for relief of dry mouth symptoms and is indicated for use to refresh, moisturize, lubricate and soothe the oral cavity, and alleviate discomfort due to dry mouth.

TheraBreath Dry Mouth Lozenges are intended for relief of dry mouth symptoms, and are indicated for use to refresh, moisturize, lubricated, and soothe the oral cavity, and alleviate discomfort due to dry mouth.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K171542: TheraBreath Dry Mouth Oral Rinse, TheraBreath Dry Mouth Lozenges.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171542

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026