Nexgard Spectra Tablets for Dogs contain Milbemycin Oxime and Afoxolaner and are used for:

  • The treatment of flea and tick infestations in dogs when the concurrent prevention of heartworm disease (Dirofilaria immitis larvae), angiostrongylosis (reduction in level of immature adults (L5) and adults of Angiostrongylus vasorum), thelaziosis (adult Thelazia callipaeda) and/or treatment of gastrointestinal nematode infestations is indicated.
  • Treatment of flea infestations (Ctenocephalides felis and C. canis) in dogs for 5 weeks.
  • Treatment of tick infestations (Dermacentor reticulatus, Ixodes ricinus, Ixodes hexagonus, Rhipicephalus sanguineus) in dogs for 4 weeks. Fleas and ticks must attach to the host and commence feeding in order to be exposed to the active substance.
  • Treatment of infestations with adult gastrointestinal nematodes of the following species: roundworms (Toxocara canis and Toxascaris leonina), hookworms (Ancylostoma caninum, Ancylostoma braziliense and Ancylostoma ceylanicum) and whipworm (Trichuris vulpis).
  • Treatment of demodicosis (caused by Demodex canis).
  • Treatment of sarcoptic mange (caused by Sarcoptes scabiei var. canis).
  • Prevention of heartworm disease (Dirofilaria immitis larvae) with monthly administration.
  • Prevention of angiostrongylosis (by reduction of the level of infection with immature adult (L5) and adult stages of Angiostrongylus vasorum) with monthly administration.
  • Prevention of establishment of thelaziosis (adult Thelazia callipaeda eyeworm infection) with monthly administration.


  • Do not use in cases of hypersensitivity to the active substances or to any of the excipients.

Amounts to be administered and administration route:

  • For oral use. 


It is recommended that Nexgard Spectra is administered monthly according to the table below. Please follow dosage instructions provided by your vet.

The product should be administered at a dose of 2.50–5.36 mg/kg bodyweight of afoxolaner and 0.50–1.07 mg/kg bodyweight of milbemycin oxime in accordance with the following table:

Weight (kg)


2 - 3.5

1 x NexGard Spectra (XS) 9 mg/2 mg tablet

> 3.5 - 7.5

1 x NexGard Spectra (S) 19 mg/4 mg tablet

>7.5 - 15

1 x NexGard Spectra (M) 38 mg/8 mg tablet

>15 - 30

1 x NexGard Spectra (L) 75 mg/15 mg tablet

>30 - 60

1 x NexGard Spectra (XL) 150 mg/30 mg tablet

For dogs above 60 kg appropriate combinations of chewable tablets should be used.

Method of administration: 

The tablets are chewable and palatable to most dogs. If the dog does not accept the tablets directly they may be administered with food.

For more information, please use the following link: http://www.noahcompendium.co.uk/?id=-453832

Nexgard Spectra for Extra Small Dogs 2-3.5kg