c-2.2,0-3.8,0.5-4.8,1.6c-1,1.1-1.5,2.6-1.5,4.7v2.9H8.5V15h2.9v14h5.8V15H21l0.5-4.8H17.2z"/>

About UltraGuard

The Ultraguard team has more than

160 years of
collective
experience

in the fields of veterinary medicine and
technology, pharmaceuticals, pesticide
chemistry, and dermatological care.

Our research laboratories are staffed with experts in:

Biology

Chemistry

Biochemistry

Entomology

Animal Science

Veterinary Medicine

Featured Products

Hartz® UltraGuard® Dual Action™ Topical Flea and Tick Prevention for Dogs and Puppies 31-60lb

Fast-acting topical drop formula kills fleas, flea eggs, deer and brown dog ticks, plus prevents...

Hartz® UltraGuard Dual Synergized Botanical Extract Flea & Tick Shampoo for Dogs

This cleansing shampoo kills both fleas and ticks. The active ingredient, Pyrethrin, is derived from...

Hartz® UltraGuard Plus® Flea & Tick Collar for Puppies

Kills and repels fleas, ticks, flea eggs and flea larvae, plus prevents flea eggs from...

Hartz® UltraGuard Plus® Flea & Tick Collar with Reflect-X Shield® for Cats and Kittens

Kills and repels fleas, ticks, flea eggs and flea larvae, plus prevents flea eggs from...

Hartz® UltraGuard Plus® Flea and Tick Drops for Cats

Includes 3 monthly treatments in easy to apply, single dose tubes

Hartz® UltraGuard® Flea & Tick Powder for Cats

Water-resistant, on-pet powder kills fleas, ticks and lice for up to 7 days

Flea Facts

A female flea can lay about 50 eggs per day

and up to 2000 eggs in a lifetime

The average adult flea life span lasts up to 2 months

Why killing flea eggs and larvae is essential

Flea eggs and larvae are the first 2 of 4 stages in the flea life cycle. If these two stages are not terminated then larvae will spin silk cocoons and enter the pupal stage.

There are three physical cues that allow a pupa to turn into an adult flea:

  1. Vibration
  2. Pressure
  3. Carbon Dioxide

Basically, cues let a pupa know that its a good time to become an adult, because a host (dog, cat, you) is in the area. Products such as Hartz Ultraguard Pro Flea & Tick Drops for Dogs and Puppies not only kill adult fleas but also the eggs and larvae, preventing future infestations.

Tick Facts

There are more than 800 known species of ticks worldwide

Health Threats posed by Ticks
– Lyme Disease
– Anaplasmosis
– Rocky Mountain Spotted Fever
– Babesiosis
– Hepatozoonosis
– Tularemia
– Flavivirus
– Exsanguination
– Tick Paralysis

Join the MILLIONS who get better protection for less!

Hartz UltraGuard Pro provides MORE flea and tick protection at a lesser cost. Check out our comparison charts versus the competition and see for yourself.

Hartz UltraGuard Pro Cat Comparison Chart

Hartz UltraGuard Pro Dog Comparison Chart

The Hartz® Ultraguard® Safety and Efficacy Security Pledge

The relationship between you and your pet is very important to us; Hartz® is committed to providing you with products that will effectively get rid of fleas, ticks and mosquitoes to keep your pet pest-free.

Hartz® UltraGuard® is committed to offering you “complete protection for less”.

Ask a Question

Do you have a question about one of the Hartz UltraGuard flea & tick products?

Our customer care representatives can answer all of your product and parasite related questions.

For Veterinary Professionals

Hartz® UltraGuard Pro®
Technical Report
Download PDF

Feline Flea and Tick Control
Technical Report
Download PDF

Canine Flea and Tick Control
Technical Report
Download PDF

More information for veterinary professionals

Flea Articles

Fleas and Your Dog

If you own a dog, you may experience a flea problem at some point. What you don’t know about fleas could harm you and your pet. Get the facts and keep your pet and home safe.

Flea Transmitted Diseases

Flea control is very important. It would be a mistake to think of fleas as simply an annoyance for your dog. Fleas can transmit several diseases and heavy flea infestations can be especially dangerous.

Fleas and Your Cat

If you own a cat, you may experience a flea problem at some point. But what you don’t know about fleas could harm you and your pet. Get the facts and keep your pet and home safe.
Learn More

Tick Articles

Ticks On Dogs

Ticks are parasites that will attach to both your dog as well as you. Like the flea, ticks must take a blood meal to survive. Here are some tick facts that will help you understand how to protect yourself and your dog.

Safe Usage is Crucial with Flea & Tick Products

There are dozens of different types of flea and tick products for pets, including powders, collars, dips, sprays, shampoos, topical spot-on liquid products, pills given by mouth, and more.

Climate Changes and Flea & Tick Infestation

While we could traditionally count on the late spring and summer months as being “flea and tick season,” the effects of global warming are extending the season dramatically.
Learn More