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Drugs for Intestinal Helminths of Dogs Approved in the US and UK

Drugs for Intestinal Helminths of Dogs Approved in the US and UK

Drug or Drug Combination

Dosage (mg/kg), Frequency

Route of Administration

Helminths Active Againsta

Approved in both US and UK

Milbemycin oxime + lufenuron

0.5/10, monthly

PO

Toxocara canis, Ancylostoma caninum, Trichuris vulpis

Milbemycin oxime + praziquantel

0.5/5, monthly

PO

T canis, Toxascaris leonina, A caninum, T vulpis, Dipylidium caninum, Taenia spp,fEchinococcus sppg

Moxidectin + imidacloprid

2.5/10, monthly

Topical

T canis, T leonina, A caninum, Uncinaria stenocephala, T vulpis

Approved only in US

Fenbendazole

50, daily for 3 days

PO

T canis, T leonina, A caninum, U stenocephala, T vulpis, Taenia pisiformis

Epsiprantel

5.5, once

PO

D caninum, T pisiformis

Milbemycin oxime

0.5, monthly

PO

T canis, T leonina, A caninum, T vulpis

Milbemycin oxime + lufenuron

0.5/10, monthly

PO

T leonina

Milbemycin oxime + lufenuron + praziquantel

0.5/10/5, monthly

PO

T canis, T leonina, A caninum, T vulpis, D caninum, T pisiformis, Echinococcus granulosus, Echinococcus multilocularis

Milbemycin oxime + spinosad

0.5/30, monthly

PO

T canis, T leonina, A caninum, T vulpis

Moxidectin

6-month product: 0.17, once

12-month product: 0.5, once

SC

A caninum, U stenocephala

2.5, monthly

Topical

T canis, T leonina, A caninum, U stenocephala, T vulpis

Piperazine (various salts)

48–66 (max 150 mg/puppy), once; repeat in 10 days and then monthly to prevent reinfectionb

PO

T canis, T leonina

Praziquantel

5–12.5 (max 170 mg/puppy or dog), once

PO

D caninum, T pisiformis, E granulosus,cE multilocularisc

5–11.4 (max 170 mg/puppy or dog), once

SC, IM

D caninum, T pisiformis, E granulosus, E multilocularis

Pyrantel pamoate

5 (10 for dogs ≤ 2.3 kg), once; monthly to prevent reinfection in adults

PO

T canis, T leonina, A caninum, U stenocephala

Ivermectin + pyrantel pamoate

0.006/5, monthly

PO

T canis, T leonina, A caninum, Ancylostoma braziliense, U stenocephala

Praziquantel + pyrantel pamoate

5/5, once

PO

T canis, T leonina, A caninum, A braziliense, U stenocephala, D caninum, T pisiformis

Praziquantel + pyrantel pamoate + febantel

7/7/35, once

PO

T canis, T leonina, A caninum, U stenocephala, T vulpis, D caninum, T pisiformis, E granulosus,cE multilocularisc

Praziquantel + pyrantel pamoate + ivermectin

5/5/0.006, monthly

PO

T canis, T leonina, A caninum, A braziliense, U stenocephala, D caninum, T pisiformis

Approved only in UK

Fenbendazole

100 once, or 50 daily for 3 daysd

PO

T canis, T leonina, Ancylostoma spp, Uncinaria spp, Trichuris spp, Taenia spp, Oslerus oslerid

Praziquantel

5, once

PO

D caninum, T pisiformis, Taenia multiceps, Taenia hydatigena, Taenia ovis, E granulosus, E multilocularis

Selamectin

6, monthly

Topical

T canis

Febantel + pyrantel embonatee

15/14.4, daily for 3 days

PO

T canis, T leonina, A caninum, U stenocephala, T vulpis

Milbemycin + afoxolaner

0.50–1.07/2.50–5.36, monthly

PO

T canis, T leonina, A caninum, A braziliense, Ancylostoma ceylanicum, T vulpis, Angiostrongylus vasorum, Thelazia callipaeda

Milbemycin oxime + praziquantel

0.5/5, monthly

PO

Mesocestoides spp, Crenosoma vulpis, A vasorum, T callipaeda

Moxidectin + imidacloprid

2.5/10, monthly

Topical

Spirocera lupi, A vasorum, C vulpis, Eucoleus boehmi,cT callipaedac

Praziquantel + pyrantel embonate + febantel

5/14.4/15, daily for 3 days

PO

T canis, T leonina, A caninum, U stenocephala, T vulpis,cD caninum,cTaenia sppc (T hydatigena,cT pisiformisc), Echinococcus sppc (E granulosus,cE multilocularisc)

a Many of these drugs are also approved for use against other types of parasites (eg, fleas, heartworms) not listed here.

b Repeat after 10–20 days.

c Only some products.

d 7 days for O osleri.

e This formulation is not commercially available in the UK.

fT pisiformis in the US.

gE multilocularis and E granulosus in the US.