# VECTRA 3D D73825D Flea and Tick Drops for Medium Dogs, 21–55 lb, 3-Month

Drops: VECTRA 3D D73825D is a three-dose topical flea and tick treatment listing a weight range of 21–55 lb for medium dogs. The listing also claims mosquito repellency and up to one month of protection per application, with waterproofing after 24 hours.

- [Original product page](https://best-deals.pro/product/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [View offer](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- Market: US
- Language: en-US
- Currency: USD
- Brand: VECTRA 3D
- Model: D73825D
- Category: Pet Supplies > Pet Grooming & Health > Pet Health
- Price: 42.39 USD
- Previous price: 52.99 USD
- Discount: 20%
- Price checked: 2026-11-14T06:49:55.582Z
- Rating: 4.5 / 5
- Reviews: 990

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes a monthly topical treatment for fleas and ticks and says it also repels mosquitoes.
- It claims flea feeding can be reduced in as little as 5 minutes and fleas killed within 4 hours.
- The product is described as waterproof after 24 hours and as quick-drying and non-greasy.

## Pros

- Three monthly doses provide a stated three-month supply when used on the listed monthly schedule.
- The listing specifies a medium-dog weight range and gives the active ingredient percentages.
- Customer feedback describes the application as easy, though reports about residue differ.

## Cons

- Topical application requires a recurring monthly routine rather than a longer interval between doses.

## Specifications

### Identity and fit
- Brand: VECTRA 3D
- Model: D73825D
- Dog size: Medium
- Weight range: 21-55 lbs
### Treatment details
- Form: Drops
- Active ingredients: Permethrin 36.08%, Dinotefuran 4.95%, Pyriproxifen 0.44%
- Age range listed: All Life Stages
- Scent: water
- Allergen information: Abalone Free
- Item type: Flea and Tick
### Dimensions and weight
- Dimensions listed: 5.25 x 1 x 5.25 inches; 0.13 ounces
- Weight listed: 3.67 g

## Before you buy

- The listing says the product is for dogs only and explicitly says not to use it on cats. Follow product directions and consult a veterinarian about suitability for an individual dog. Its claims about fast action, repelling pests and waterproofing are listing claims, not independently verified here.

## In the box

- 3 monthly doses (Included)

## A good fit for

- Owners seeking a topical monthly flea and tick treatment for a dog within the listed 21–55 lb range.
- Buyers looking for a listing that also claims mosquito repellency and a waterproof-after-24-hours formula.

## Less suited to

- Cats, because the listing says not to use this product on cats.
- Dogs outside the stated 21–55 lb range.

## Customer feedback

Customer feedback reports positive experiences with effectiveness and ease of application, including mentions of long-term use on beagles. Experiences with greasiness and value are mixed, with some reporting oily residue and some saying they would not buy it again. These perceptions matter for a leave-on monthly topical, but they do not establish how it will perform or feel on a particular dog.
- Positive themes: Customers report that the treatment has worked well for their dogs.
- Positive themes: Some customers describe application as easy.
- Mixed feedback: Some customers say it is not greasy, while others report oily residue.
- Mixed feedback: Customer views on value differ, including reports of satisfaction and unwillingness to repurchase.

## Frequently asked questions

### Which dogs is this package listed for?
The title and product details specify medium dogs weighing 21–55 lb. Confirm the dog's weight and follow the product label.
### How many doses are included?
The package listing specifies three monthly doses, described as a three-month supply.
### Does the listing say it works against mosquitoes?
Yes. The product description claims it repels mosquitoes as well as providing flea and tick protection.
### Can it be used on cats?
No. The supplied product description says for dogs only and says not to use on cats.

## Alternative options

- [PetArmor Extend Large Dog Flea and Tick Treatment & Prevention, Collar for Large Dogs Above 18 lbs., 8 Months of Protection, Odorless & Non-Greasy, Waterproof, Kills Fleas, Ticks, and Larvae, 1 Count](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [Flea and Tick for Cats, Cat Flea & Tick Topical Drops, 6 Monthly 0.5ml Doses for Ca...](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [Flea and Tick Preventative for Cats, Topical Flea Drops for Cat 9lb+,12 Pc](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [Flea and Tick Drops for Cats, Cat Flea Drops, Easy Spot-On Use, 12 Pack \| Cat flea ...](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [Flea and Tick Prevention for Small and Medium Dogs, 5-44 lbs, Dog Flea & Tick Contr...](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [Flea & Tick Prevention Pendant for Dogs ,1 Collar + Flea Pendant +4 Refills \| Flea ...](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [Dog Flea & Tick, Waterproof Topical Preventative for Small Dogs & Puppies \| For 5-2...](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [PetArmor Extend Dog Flea and Tick Treatment & Prevention Collar for Small Dogs up to 18 lbs., 8 Months of Protection, Odorless & Non-Greasy, Waterproof, Kills Fleas, Ticks, and Larvae, 1 Count](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [K9 Advantix II Flea & Tick Topical for Medium Dogs 11–20 lbs., 6ct \| Vet-Recommended, 30-Day Protection, Treats & Prevents Fleas, Ticks, Mosquitoes, Biting Flies, and Lice](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [TevraPet Activate II Flea and Tick Prevention for Extra Large Dogs 55+ lbs \| Vet Approved, Waterproof & Safe Topical Flea and Tick Drops, 4 Month Supply. Compare to K9 Advantix II and Save. Made in USA.](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [K9 Advantix II Flea & Tick Topical for Extra Large Dogs Over 55 lbs., 6ct \| Vet-Recommended, 30-Day Protection, Treats & Prevents Fleas, Ticks, Mosquitoes, Biting Flies, and Lice](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)
- [K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 6ct \| Vet-Recommended, 30-Day Protection, Treats & Prevents Fleas, Ticks, Mosquitoes, Biting Flies, and Lice](https://best-deals.pro/visit/vectra-3d-d73825d-medium-dog-flea-tick-drops)

## Add-ons

- [Vectra 3D Flea and Tick Prevention for Large Dogs 56–95 lbs, 3‑Month \| Topical Flea Drops \| Kills and Repels Fleas, Ticks & Mosquitoes \| Fast‑Acting, Waterproof, No Prescription Needed](https://best-deals.pro/visit/vectra-3d-d73830f-large-dog-flea-tick-drops)
- [Vectra 3D Flea and Tick Prevention for Small Dogs 11-20 lbs, 3‑Month \| Topical Flea Drops \| Kills and Repels Fleas, Ticks & Mosquitoes \| Fast‑Acting, Waterproof, No Prescription Needed](https://best-deals.pro/visit/vectra-3d-flea-tick-drops-dogs-11-20-lb)

## Images

![VECTRA 3D D73825D Flea and Tick Drops for Medium Dogs, 21–55 lb, 3-Month — 1](https://best-deals.pro/i/faYxAijPCUVtcDGAVSQnsElCqbp6qq5ADyrLloQfGKOG2yW7dzN91CgO0qg963rzyvOnNLqnLTY1b_3BOjE1EkRXuwxZLXL6TlNcyZZ11E24E5CYUpawtD_u.jpg)