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Vectra 3D is a monthly topical flea and tick treatment for dogs built on three active ingredients. It repels and kills fleas, ticks, mosquitoes, sand flies, biting flies and lice, and it starts reducing flea feeding within minutes of application. It is water-resistant and stays active after bathing or swimming, which suits dogs that spend time outdoors, in woods or in water. Owners who stick with it report clean, pest-free dogs; others note a greasy residue, watery application and occasional reactions, and some say protection did not last the full month.
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Lowest price we've seen: $32.00 on Nov 4 at eBay; highest $39.99 on Nov 11. Tracked across 14 stores since Nov 4.
Rated 4.1 out of 5 from about 1,200 ratings, Vectra 3D gets credit for keeping dogs clear of fleas and ticks, even in heavy woods and water, and for repelling flies. Complaints center on greasy residue, messy application, occasional vomiting or allergic reactions, and protection that sometimes falls short of a full month.
| Weight | Fluid Ounces (fl. oz.) p | Milliliter (mL) per Dosa |
|---|---|---|
| 2.5 - 20 lbs. | 0.05 | 1.6 |
| 21 - 55 lbs. | 0.12 | 3.6 |
| 56 - 95 | 0.16 | 4.7 |
| 95+ | 0.27 | 8.0 |
Vectra 3D is a monthly topical spot-on treatment for dogs. Its three-ingredient formula repels and kills fleas, ticks, mosquitoes, sand flies, biting flies, lice and mites (excluding mange mites). It also disrupts the flea life cycle.
Repellent action begins 5 minutes after application. Flea feeding is reduced within minutes, and fleas are killed at 6 hours. It kills fleas that may cause flea allergy dermatitis. It repels and kills brown dog ticks, American dog ticks, deer ticks, Gulf Coast ticks and Lone Star ticks. These ticks may transmit Lyme disease, Rocky Mountain spotted fever, babesiosis, ehrlichiosis, bartonellosis, hepatozoonosis and anaplasmosis.
A patented applicator tip lets you apply it directly to the skin. One dose protects for the next 30 days. It is water-resistant and stays active after bathing or swimming. Apply only when the dog's coat is dry.
