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Happy Jack Onex

This page contains information on Happy Jack Onex for veterinary use.
The information provided typically includes the following:
  • Happy Jack Onex Indications
  • Warnings and cautions for Happy Jack Onex
  • Direction and dosage information for Happy Jack Onex

Happy Jack Onex

This treatment applies to the following species:
Company: Happy Jack

EPA Reg. No.: 2781-9

Active Ingredient(s):

Pyrethrins I & II


Piperonyl butoxide, technical*


Di-n-propyl isocinchomeronate


Inert ingredients


*Equivalent to 0.4% (butylcarbityl) (6-propylpiperonyl) ether and 0.1% related compounds.

Happy Jack Onex Indications

Repels house flies, stable flies, face flies, and horn flies from wounds and open sores. Also kills on contact. For use on dogs and horses.

Dosage and Administration

It is a violation of federal law to use the product in a manner inconsistent with its labeling.

To treat superficial wounds, abrasions, sores and scratches apply enough ointment to completely cover the affected area. Use once a day.

Precaution(s): Do not re-use the empty container. Wrap the container and put it in the trash collection.

Caution(s): Precautionary Statements:

Hazards to Humans and Domestic Animals: Not for human use. Wash hands after using.

Environmental Hazards: The product is toxic to fish. Keep out of lakes, streams, or ponds. Do not apply where runoff is likely to occur. Do not contaminate water by the cleaning of equipment or the disposal of wastes.

Warning(s): Do not use on horses to be used for human consumption.

Presentation: 4 oz. (113 g) containers.

CPN: 10350160

P.O. BOX 475, 2122 HIGHWAY 258 SOUTH, SNOW HILL, NC, 28580
Telephone:   252-747-2911
Order Desk:   800-326-5225
Fax:   252-747-4111
Every effort has been made to ensure the accuracy of the Happy Jack Onex information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2022 Animalytix LLC. Updated: 2021-11-29