Why Are Pet Medications Cheaper Online?


Flea, tick, heartworm, and deworming treatments can get expensive, especially when pets need year-round protection. Many pet owners notice that the same or similar products cost less online than at a local pet store or veterinary clinic.

Several factors make pet medications cheaper online, including lower operating costs, bulk purchasing, wider supplier networks, and increased competition among online retailers.


1. Online Stores Usually Have Lower Operating Costs

Traditional pet stores and veterinary clinics have expenses such as storefront rent, utilities, staffing, and in-store inventory management.

Online retailers may operate with fewer physical retail expenses. Lower operating costs can sometimes allow them to offer pet medications at more competitive prices.

This does not necessarily mean the product is lower quality. The important thing is to purchase from a reputable seller and check the product details carefully.


2. Buying Pet Medications in Bulk Can Reduce Costs

Large online retailers may purchase products in greater quantities from wholesalers or distributors.

Buying in larger quantities can lower the price of each individual item, allowing some of those savings to be passed on to customers.

This is particularly useful for preventive treatments that pets need regularly, such as flea, tick, heartworm, and intestinal worm protection.


3. Online Retailers Can Source Products From Different Markets

Pet medication prices can vary between countries because of differences in distribution costs, local pricing, taxes, and market conditions.

Some international pet retailers work with suppliers in more than one country. This can provide greater flexibility when sourcing products and may result in lower prices for customers.

However, packaging, product names, or labeling may occasionally differ between markets even when the active ingredients are similar.

Always check the product description and dosage information before ordering.


4. Larger Pack Sizes May Cost Less Per Dose

Many preventive treatments are available in different pack sizes, such as 3-dose, 6-dose, or 12-dose packs.

A larger pack may cost less per treatment than repeatedly buying smaller quantities.

For pets that require year-round parasite protection, buying a larger supply can sometimes be more economical.

Before purchasing, check the expiration date and make sure the treatment fits your pet's weight and age.


5. Online Shopping Makes Planned Purchases Easier

One disadvantage of ordering pet medications online is that delivery takes time.

A local veterinarian or pet store is the better choice when treatment is needed urgently.

However, many parasite preventatives follow a regular schedule. Planning allows pet owners to order before the next dose is due and take advantage of online pricing without running out of treatment.


Are Cheaper Pet Medications Safe?

A lower price alone does not tell you whether a pet medication is safe or genuine.

When shopping online, look for:

  • Clear product and manufacturer information
  • Expiration and storage information
  • Secure payment options
  • Contact details for the retailer
  • Clear shipping and refund policies
  • Accurate dosage and weight information

For prescription medicines or whenever you are unsure which treatment your pet needs, speak with your veterinarian before purchasing or administering medication.

Never select a treatment only because it is cheaper.


Why Can Veterinary Clinic Prices Be Higher?

Veterinary clinics provide much more than simply the medication itself.

Their prices may reflect professional consultation, diagnosis, medical advice, storage, staffing, and the convenience of immediate treatment.

For urgent illness, new symptoms, or pets with existing health conditions, veterinary guidance is especially important.

Online purchasing generally suits planned purchases of familiar products rather than replacing necessary veterinary care.


How to Save Money When Buying Pet Medications Online

Pet owners can often reduce costs by planning purchases, comparing the price per dose, considering larger pack sizes, and watching for legitimate promotions.

Also compare the total cost, including shipping, not just the advertised product price.

At 79PETS, pet owners can browse well-known parasite prevention brands including NexGard, NexGard Spectra, Heartgard Plus, Simparica Trio, Revolution Plus, Stronghold Plus, and others.

Choose products based on your pet's species, weight, age, health needs, and veterinary advice—not price alone.


Frequently Asked Questions

Why are pet medications cheaper online?

Online pet retailers may have lower operating costs, purchase larger quantities, source products through broader distribution networks, and compete more aggressively on price.

Can You Safely Buy Pet Medications Online?

It can be, as long as you use a reputable retailer and confirm the product, dosage, expiration date, and manufacturer details. Ask your vet for advice if you are unsure.

Are larger packs of pet medication cheaper?

They often cost less per dose, although this varies by product. Always check expiration dates before buying a large supply.

Should I buy pet medication online in an emergency?

Usually not. If your pet requires urgent treatment, contact a veterinarian rather than waiting for an online delivery.

Can I use the same flea or worm medicine for every pet?

No. Treatments can differ according to species, weight, age, parasites covered, and health history. Never give a dog treatment to a cat unless the product specifically states it is suitable for both.


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Best Selling Combo

Best Selling Combo

Heartgard Nexgard Combo for Dogs Flea, Ticks & Heartworm Treatment

Customer Reviews

Overall rating: 4.8 / 5 from 1134 reviews.

Customer photo review of Custom Duty

Fast shipping great quality and price

Custom Duty

Customer photo review of Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Two sweet girlies decided to make our deck their home. Mosquitoes are a big problem where we live and we had to get them protected. This was the best bang for the buck. I’ve ordered from 79Pets several times and while delivery is not fast it is very consistent.

Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Store owner replied: Thank You Teresa!

Customer photo review of Nexgard Combo For Cats 5.5-16.5 lbs (2.5-7.5 kg)

As a retired veterinary technician I was extremely happy to finally see a flea and heartworm medication that actually does tapeworms too!!!!!!! This is a 1st to my knowledge....I live in a tropical climate where fleas never die so this is heaven sent.

Nexgard Combo For Cats 5.5-16.5 lbs (2.5-7.5 kg)

Store owner replied: Thank You Kimberly.

Customer photo review of Stronghold Teal For Dogs 44-88lbs (20-40kg)

Very happy with the price of Stronghold heart worm med for my dog. Seems to be working well.

Stronghold Teal For Dogs 44-88lbs (20-40kg)

Store owner replied: Thank You Dory!

Customer photo review of Simparica Trio For Dogs 22.1-44 lbs (10-20 kg)

My dog loves this product, never got any issue. Good price , deliver on time. We will definitely keep purchasing with 79 pets.com. Thanks!

Simparica Trio For Dogs 22.1-44 lbs (10-20 kg)

Store owner replied: Thank You Elle!

Customer photo review of NexGard Chew For Small Dogs 10-24lbs (4-10kg)

I have 3 of these little rascals so Michigan flea/tick season can be financially brutal! Thank you for keeping NexGard so affordable.

NexGard Chew For Small Dogs 10-24lbs (4-10kg)

Store owner replied: Thank You Elaine

Customer photo review of Nexgard Combo for Cats 5.5-16.5 lbs (2.5-7.5 kg)

After Seresto collars failed to get rid of fleas, I didn't know where to turn. I saw a post on a page I follow (Kentucky Kitty Cats) saying that they use Nexgard Combo for the cats they shelter. I decided to try it and IT WORKS!

Nexgard Combo for Cats 5.5-16.5 lbs (2.5-7.5 kg)

Store owner replied: Thanks Cari.. We are glad that you found treatment which works for your Cats..

Customer photo review of Revolution Plus For Large Cats 11.1-22lbs (5-10kg)

This is Lexi Marie! She was wondering why mom was so excited for buying flea medicine. I explained to her that we saved $100 and that she would understand some day when she grows up.

Revolution Plus For Large Cats 11.1-22lbs (5-10kg)

Store owner replied: Thanks Tammy!!

Customer photo review of Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Last year, I made a visit to the vet. I told them that Kattie/cat had ear mites. They gave me an ointment costing $80canadian. I used it up and purchased another bottle. $160. total not including the cost of the vet visit. No results. The ear mites have been there for a long time. Canadian vets have control of what is sold in Pet stores and you cannot purchase off the shelf products not recognized by them. I jumped at the chance to purchase your produce with a recommended 100% effectivity. I was willing to try, but was suspicions. After a month there was still a little scratching but after 6 weeks, the mites are gone and the scratching is gone. Thank you very much for this mite solution. I recommend it heartily. Harry P.S. Do not tell the Canadian vets as they will outlaw your product.

Revolution Plus For Medium Cats 5.6-11 lbs (2.6-5kg)

Store owner replied: Thanks Harry for review!!