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704 results for “Internal parasites”
What parasites can dogs have?
Common external parasites include fleas, scabies mites, ear mites, demodex and ticks; internal ones include roundworms, tapeworms, hookworms, coccidia, ascarids and flukes, plus Babesia in the blood. Use appropriate internal and external dewormers regularly.
How often should a puppy be dewormed internally?
Pups 2-6 months need internal and external deworming monthly; after 6 months internal every 2-3 months. Start at 2 months if no signs; repeat in 7-15 days if worms seen. Watch for side effects.
What are the symptoms of parasites in cats?
Internal parasites cause vomiting, soft stools with blood or worms, weight loss, anemia, lethargy, and dull coat. External parasites cause itching and hair loss; fleas leave black specks, mites cause bumps and pyoderma, ticks appear as bean-sized lumps. Regular deworming and hygiene are key.
What are the symptoms of worms or parasites in dogs?
External parasites cause itching, scratching, rubbing, hair loss, and skin damage; mites cause pustules. Internal parasites show vague early signs but later vomiting, diarrhea, weight loss, and bloody stool, plus dull coat and even anemia. Regular internal and external deworming is essential.
Is Advantage Multi (Advocate) really a combined internal and external parasite treatment?
Advantage Multi does treat both internal and external parasites, with imidacloprid and moxidectin covering ear mites, fleas, roundworms, hookworms and heartworm. Dose by the pet's age and weight.
Can a cat’s internal and external deworming be done at the same time?
Yes. Most external products are topical drops or sprays and internal are oral, with different modes, so they don't clash. But if both are oral, space them a week apart to avoid gut irritation. Don't bathe for 3 days after external treatment.
Can Chinchillas Get Parasites?
A chinchilla's dense coat makes it hard for most parasites to reach the skin, but contact with infested pets or damp, unsanitary surroundings can still lead to mites, lice, or fleas. Keep the cage dry and clean, check the coat regularly, and see a vet if you spot itching or hair loss.

Symptoms and Treatment of Parasites in Dogs
Parasites are a leading threat to dog health and come in internal and external forms with different signs. Internal parasites cause diarrhea, vomiting, cough, bigger appetite, weight loss, dry coat, red skin spots, pale gums, and lethargy. Some parasites already live in the home, so even indoor dogs are at risk. Fleas, lice, roundworms, and tapeworms each have their own life cycle and route into the dog. External parasites are zoonotic and cause allergic dermatitis and anemia; internal ones cause poor digestion and can block the gut. Prevention and treatment rely on regular, broad-spectrum parasite control for both inside and out.

Why Indoor Cats Can Still Get Parasites
Many owners assume an indoor cat cannot catch parasites, but that is not true. Parasite eggs can ride home on your shoes and clothes, and mosquitoes, cockroaches, raw meat, or household plants can all introduce infection. Some parasites are zoonotic and can spread from cat to owner, so regular deworming matters regardless of lifestyle. Internal parasites such as roundworms, hookworms, tapeworms, and heartworms, and external ones like fleas, lice, ticks, and mites are most common in spring and summer; nematodes and toxoplasma can also pass to people. Deworming is straightforward: oral medication every three months, or more often for raw-fed cats, plus topical drops applied to the skin at the back of the neck. Always follow the dose by weight, since these drugs are toxic in excess.

How Cats Catch Parasites
Parasites reach cats through many routes, so even strictly indoor cats are at risk. Mother-to-kitten transmission passes some larvae via placenta or milk (e.g., toxoplasma). Ingestion brings eggs or infected hosts (cockroaches, fleas, mice, sparrows)βeven sealed cat food isn't sterile. Some larvae burrow through paw skin (hookworm). Vectors like mosquitoes spread heartworm; fleas host tapeworm. Direct and indirect contact (shared bedding) also transmit. Because external parasites often host internal ones, treat both together.