# K042610: DR. Theiss Alergol Pollen Blocker Cream

- Pathway: 510(k) (Traditional)
- Applicant: Dr. Theiss Naturwaren GmbH
- Decided: May 16, 2005 after 234 days
- Product code: NUP (Cream, Nasal, Topical, Mechanical Allergen Particle Barrier)
- Device class: 2
- Regulation: 21 CFR 880.5045
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K002338 (2001). 5 ancestors in all.
7 later devices descend from it; 2 cite it directly.
0 of 13 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K981841: Breathe Easy, Models AD and CD, Respiraid, Ltd. (1998) Summary page 1.
- K032948: Elastic Skin Liquid Bandage, Medpak, LLC (2004) Summary page 1.

## Most influential descendants
- K053625: Nasalguard (2006), 6 descendants of its own
- K132520: Nasal Ease Allergy Blocker (2013), 3 descendants of its own
- K170848: Alzair Allergy Blocker (2017), 1 descendant of its own
- K120894: Haymax (2012), 1 descendant of its own
- K213114: BentrioTM Allergy Blocker (2022), 0 descendants of its own

## Indications for use
The Alergol Pollen Blocker Cream is intended to promote alleviation of mild allergic symptoms (i.e., mild nasal irritation including itchy, runny, or congested nasal passages) triggered by the inhalation of various allergens including environmental pollens, house dust, animal hairs, and dust mites.

Source page: https://510kreport.com/device/K042610
Methodology: https://510kreport.com/methodology