NexGard Spectra is a next-generation, all-in-one chewable treatment that offers broad-spectrum protection against the most common external and internal parasites in dogs. Designed for dogs weighing 30 to 60 kg, each monthly tablet contains:

Afoxolaner 150 mg – kills fleas, ticks, mites, and lice

Milbemycin Oxime 30 mg – eliminates internal parasites and prevents heartworm disease

The chew begins killing fleas within 30 minutes, with full effectiveness reached within 6 hours. It also eliminates ticks within 24–48 hours, prevents reinfestation for 30 days, and interrupts the flea life cycle by killing before egg-laying begins.

✅ Targets & Effectiveness:

Fleas: Ctenocephalides felis, C. canis

Ticks: Ixodes ricinus, Rhipicephalus sanguineus, Dermacentor reticulatus, Amblyomma americanum, and others

Mites: Demodex canis, Sarcoptes scabiei, Otodectes cynotis

Nematodes: Toxocara canis, Ancylostoma caninum, Trichuris vulpis, etc.

Heartworm: Dirofilaria immitis

Lungworm & Eyeworm: Angiostrongylus vasorum, Spirocerca lupi, etc.

Also supports treatment of flea allergy dermatitis and mange as part of a multi-modal approach

🐶 Key Benefits:

Monthly chewable that replaces multiple separate treatments

Beef-flavored and vegetable-based (contains soy protein, safe for dogs with animal-protein allergies)

Suitable for all breeds

Can be administered with or without food

No restrictions on contact, bathing, swimming, or play after administration

Treats and prevents gastrointestinal worms, heartworms, lungworms, eyeworms, and ectoparasites

Ideal for dogs living in parasite-endemic areas

💊 Active Ingredients:

Afoxolaner 150 mg

Milbemycin Oxime 30 mg

⚖️ For Dogs:

Weight range: 30–60 kg

Age: From 8 weeks

Breeds: All breeds (use with caution in herding breeds like Collie, Sheltie, Bobtail—veterinary approval advised)

📦 Pack Size:

3 individually packed soft chews (1 chew = 1 month)

⚠️ Contraindications:

Dogs under 2 kg or younger than 8 weeks

Severe liver or kidney impairment

Do not use on cats or other animals

Not for use in food-producing animals

🧪 Mechanism of Action:

Afoxolaner blocks GABA receptors in parasites, leading to paralysis and death

Milbemycin Oxime increases membrane permeability to chloride ions, disrupting nerve transmission in worms