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Happy Jack DuraSpot 3.0 mL

This page contains information on Happy Jack DuraSpot 3.0 mL for veterinary use.
The information provided typically includes the following:
  • Happy Jack DuraSpot 3.0 mL Indications
  • Warnings and cautions for Happy Jack DuraSpot 3.0 mL
  • Direction and dosage information for Happy Jack DuraSpot 3.0 mL

Happy Jack DuraSpot 3.0 mL

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

Dog Flea & Tick Insecticide with IGR*

1.5 mL for Dogs that weigh 33-66 lbs.




Happy Jack DuraSpot 3.0 mL Caution

Active Ingredients

+ Permethrin: (CAS#52645-53-1)


Pyriproxyfen: (CAS #95737-68-1) (Nylar**)


Other Ingredients




+ cis/trans ratio: Max 55% (±) cis and min 45% (±) trans

U.S. Patent No. 5,942,525

(Nylar**) is a Registered Trademark of McLaughlin Gormley King Co.

* Insect Growth Regulator

- Kills and repels fleas & ticks for up to 4 weeks!

- Prevents re-infestation of fleas for up to 5 weeks!

- Kills flea eggs & larvae for up to 4 months!

- Kills and repels lice, mites & mosquitoes on dogs for up to 4 weeks!

Directions For Use

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

DO NOT USE ON CATS or other animals other than dogs. May be toxic and potentially fatal if applied to or ingested by cats. Do not get this product in your dog’s eyes or mouth and do not allow the dog to ingest this product. Repeat applications may be made if necessary, but do not apply more often than once every 3 weeks, except to reapply after shampooing the dog.

Use Only for Dogs that weigh between 33 & 66 lbs:

(3.0 mL applicator tubes)

Apply DuraSpot™ applicator tube as follows: Apply one tube (3.0 mL) for Dogs that weigh between 33-66 lbs. Apply product solution as a continuous stripe on the dog’s back between the shoulder blades and ending directly in front of the base of the tail.


Remove product tube from package. Holding tube upright, twist off cap Invert tube over dog and use open end to part dog’s hair. Squeeze tube firmly to apply all of the solution to the dog’s skin. Wrap tube and put in trash.

DuraSpot™ Dog Flea & Tick Insecticide with IGR is an effective and easy to use product. This product has demonstrated greater than 92% control of fleas within one day of application. This product prevents eggs from fleas on treated dogs from developing into biting adults for up to 4 months. As with all flea and tick control products, this product should be used as part of a program aimed at reducing flea populations in the dog’s environment (bedding, carpets, kennel, yard). Consult your veterinarian, entomologist, or retailer for program recommendations.

Side Effects

Monitor your dog after application. Side effects may include signs of skin irritation such as redness, scratching, or other signs of discomfort. Gastrointestinal signs such as vomiting or diarrhea have also been reported. If these or other side effects occur, consult your veterinarian.

Precautionary Statements


Happy Jack DuraSpot 3.0 mL Caution

Hazards to Humans:

Harmful if swallowed. Avoid contact with eyes or clothing. Causes moderate eye irritation. Wash thoroughly with soap and water after handling.

Hazards to Domestic Animals:

FOR EXTERNAL USE ON DOGS ONLY. Do not use on puppies under 12 weeks of age. Consult a veterinarian before using this product on debilitated, aged, medicated, pregnant, or nursing dogs. Consult a veterinarian before using on dogs with known organ dysfunction.

DO NOT USE ON CATS or animals other than dogs. Cats which actively groom or engage in close physical contact with treated dogs may be at risk of serious harmful effect. Keep cats away from treated dogs for 24 hours. If applied to a cat, contact your veterinarian immediately. Certain medications can interact with pesticides. It is advisable to consult a veterinarian before using this product with any other pesticide or drug.


If Swallowed:

- Call a poison control center or doctor immediately for treatment advice.

- Have person sip a glass of water if able to swallow.

- Do not induce vomiting unless told to do so by a poison control center or doctor.

- Do not give anything by mouth to an unconscious person.

If in Eyes:

- Hold eyes open and rinse slowly and gently with water for 15-20 minutes.

- Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eyes.

- Call a poison control center or doctor for treatment advice.

Hot Line Number

Have the product container or label with you when calling a poison control center or doctor, or going for treatment. You may also contact 1-800-345-4735 for emergency medical treatment information.

Adverse Reactions

Some animals may be sensitive to ingredients in this product. Reactions in dogs may include skin sensitivity. Dogs may show lethargy, increased pruritus (itchiness), erythema (redness), rash and hair discoloration or hair loss at the application site. Observe the dog following treatment. Sensitivity may occur after using ANY pesticide product on pets. If signs of sensitivity occur, bathe your dog with a mild, non-insecticidal shampoo and rinse with large amounts of water. If signs continue, consult a veterinarian immediately.

Environmental Hazards

This product is extremely toxic to fish. Do not add directly to water. Do not contaminate water when disposing of product or packaging.

Storage And Disposal


Store in a cool dry place away from heat and open flame. Protect from freezing.


Non-refillable container. If empty: Do not reuse or refill this container. Place in trash or offer for recycling if available. If partly filled: Call your local solid waste agency for disposal instructions. Never place unused product down any indoor or outdoor drain.


Buyer assumes all responsibility for safety & use not in accordance with label directions. If you are dissatisfied with the performance of DuraSpot™, please return unused product tubes to Happy Jack® for a “no questions asked” full refund.



Manufactured For: Happy Jack®, Inc., POB 475, 2122 Hwy. 258 S, Snow Hill, NC 28580


EPA Reg. No. 67505-3-2781

EPA Est. No. 2781-NC-1

Made in USA

Net Contents: 0.10 fl. oz. (3.0 mL) / tube - 3 tube pak

CPN: 10350390

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
THIS SERVICE AND DATA ARE PROVIDED "AS IS". DVMetrics assumes no liability, and each user assumes full risk, responsibility, and liability, related to its use of the DVMetrics service and data. See the Terms of Use for further details.

Copyright © 2023 Animalytix LLC. Updated: 2023-05-29