Living with Pets in Italy: Health Hazards Every Owner Should Know

Italy is exceptionally pet-friendly, with dogs welcome in restaurants, shops, and public transport across most regions. But several endemic diseases and environmental hazards pose real risks to dogs and cats living in or visiting Italy. Leishmaniasis is endemic in southern and central Italy, pine processionary caterpillars emerge in late winter and can be fatal to dogs, and poisoned bait is a documented rural hazard.

Here's what you need to watch for and how to protect your pet.

Leishmaniasis: The Most Serious Endemic Disease

Leishmaniasis is a parasitic disease transmitted by sand flies (Phlebotomus species) and is endemic throughout southern Italy, central Italy, and the islands of Sicily and Sardinia. The disease has been spreading northward over the past 20 years and is now present in parts of northern Italy as well, though at lower prevalence.

The incubation period is long, typically six months to over a year after infection. Early symptoms include hair loss around the eyes and muzzle, abnormal nail growth, weight loss, and lethargy. As the disease progresses, dogs develop renal failure, anemia, skin lesions, and enlarged lymph nodes. Left untreated, leishmaniasis is fatal.

Prevention:

Sand flies are most active from May through October, with peak activity at dusk and during the night. The most effective prevention measures are:

• Deltamethrin-impregnated collars (Scalibor) or permethrin-based spot-on treatments applied monthly during sand fly season
• Keep dogs indoors from dusk until dawn during warm months
• Use screens on windows and doors in endemic areas
• LetiFend vaccination may reduce the risk of clinical disease progression if exposed. Discuss with your Italian veterinarian. Vaccination does not prevent infection and does not replace repellent use.

If your dog shows any symptoms consistent with leishmaniasis, see a veterinarian immediately for blood testing. Early diagnosis significantly improves treatment outcomes. Treatment typically involves allopurinol and supportive care for months to years.

Heartworm (Dirofilaria immitis)

Heartworm disease is endemic in central and southern Italy, particularly in the Po Valley and coastal regions. The disease is transmitted by mosquitoes and affects dogs and cats, though cats are less commonly infected.

Dogs with heartworm may show no symptoms initially. As the disease progresses, symptoms include coughing, exercise intolerance, difficulty breathing, and eventual heart failure. Cats may show respiratory symptoms or sudden death.

Prevention:

Monthly heartworm preventive medication (ivermectin, milbemycin, or moxidectin-based products) is strongly recommended for dogs living in Italy year-round. Consult your Italian veterinarian about the appropriate preventive protocol for your region.

Pine Processionary Caterpillars (Thaumetopoea pityocampa)

Pine processionary caterpillars are among the most dangerous hazards for dogs in Italy. These 3–4 cm long brown and hairy caterpillars live in white silky nests visible in pine trees during winter. From late February through April, they descend from trees in nose-to-tail processions to pupate in the ground.

The caterpillars are covered in thousands of microscopic urticating hairs containing thaumetopoein, a toxic protein. When a dog sniffs, licks, or bites a caterpillar, or even contacts loose hairs on the ground or blown by wind, the hairs penetrate the skin and tongue, releasing the toxin. This causes immediate severe inflammation, tongue necrosis, excessive salivation, vomiting, and difficulty breathing. Tongue tissue can die and slough off within hours. The reaction can be fatal if not treated immediately.

Prevention and first aid:

• Avoid walking dogs near pine trees from February through April
• Keep dogs on leash in pine forests during this period
• If your dog contacts a caterpillar, rinse the mouth immediately with large amounts of water (do not rub the area)
• Get to a veterinarian within 30 minutes if possible
• Do not touch the caterpillar or affected area with bare hands

Emergency veterinary treatment typically includes antihistamines, corticosteroids, and pain management. Severe cases may require surgical removal of necrotic tissue.

Grass Awns (Graminaceous Plant Seeds)

From late spring through summer, dried grass seeds (awns or foxtails) from graminaceous plants are a common veterinary emergency in Italy. These barbed seeds can penetrate skin, lodge between toes, migrate into ear canals, nasal passages, or eyes, and cause serious infections.

Symptoms to watch for:

• Sudden sneezing or head shaking
• Pawing at the face or ears
• Limping or licking between toes
• Red, swollen skin between toes
• Discharge from eyes, nose, or ears

If your dog shows any of these symptoms after walking in fields or rural areas, see a veterinarian immediately. Grass awns migrate deeper over time and become harder to locate and remove.

Prevention:

Avoid walking dogs through tall, dried grass during late spring and summer. Check between toes, inside ears, and around eyes after every walk in rural areas.

Poisoned Bait

Poisoned bait intended for wild birds, stray animals, or rodents is occasionally found in rural areas, woods, and countryside in Italy. While comprehensive mortality statistics are not available, veterinarians across Italy report poisoning cases regularly, and some dogs and cats die before treatment can be administered.

Common poisons include rodenticides (anticoagulants), metaldehyde (slug bait), and strychnine. Symptoms vary by poison but may include vomiting, seizures, tremors, difficulty breathing, or sudden collapse.

Prevention:

• Keep dogs on leash in rural areas and woods
• Train a reliable "leave it" command
• Keep cats indoors, especially in rural areas
• If you suspect poisoning, get to a veterinarian immediately and bring the suspected bait or vomit sample if available

Time is critical in poisoning cases. Do not wait for symptoms to worsen.

Venomous Animals: Vipers, Scorpions, and Insects

Italy is home to several viper species (Vipera aspis, Vipera berus) found in rural and mountainous areas, and scorpions (Euscorpius species) in southern regions. While most Italian scorpions are not highly venomous, viper bites can be serious or fatal to small dogs and cats.

Hornets, wasps, and bee stings can cause severe allergic reactions in some pets, particularly if stung multiple times.

Symptoms of envenomation:

• Sudden pain, yelping, or limping
• Rapid swelling at the bite site
• Lethargy, vomiting, difficulty breathing
• Pale gums, collapse (severe cases)

Seek immediate veterinary care for any suspected venomous bite. Antivenin is available for viper bites in Italy, and early administration improves outcomes.

Ticks and Tick-Borne Diseases

Ticks are common throughout Italy and transmit several diseases including ehrlichiosis, anaplasmosis, and babesiosis. Check your dog for ticks after walks in wooded or grassy areas, particularly from spring through fall.

Use veterinarian-recommended tick preventive products (spot-ons, collars, or oral medications) and remove ticks promptly with fine-tipped tweezers or a tick removal tool.

Before You Move: Planning Notes

If your destination is Sicily, Sardinia, or another Italian island, note that international cargo pets cannot clear customs at island airports. Your pet must arrive through a mainland Border Inspection Post (Rome or Milan) and connect via domestic flight. Plan your routing accordingly.

Regional Risk Summary

Southern Italy and Islands (Sicily, Sardinia):

• Highest leishmaniasis risk
• Heartworm endemic
• Scorpions present in some areas
• Pine processionary caterpillars common

Central Italy:

• Moderate to high leishmaniasis risk
• Heartworm present in some regions
• Pine processionary caterpillars common
• Vipers in rural/mountainous areas

Northern Italy:

• Increasing leishmaniasis cases (historically low, now spreading)
• Heartworm endemic in Po Valley
• Pine processionary caterpillars present
• Ticks common in rural areas

Your First Week: Checklist

• Register with a local veterinarian and confirm your pet's preventive protocol for the region
• Within 30 days of arriving in Italy, you must register your dog with the Anagrafe Canina. Some regions (including Lombardy) impose a stricter 15-day window. Check with your local ASL or municipality. Start immediately.
• Stock up on sand fly repellent (Scalibor collar or permethrin spot-on) if arriving during warm months
• Save contact information for your nearest emergency veterinary clinic (pronto soccorso veterinario)

Finding Veterinary Care in Italy

Italy has excellent veterinary care with English-speaking vets available in major cities and tourist areas. Emergency clinics (pronto soccorso veterinario) operate in larger cities. Save the contact information for your local veterinary clinic and the nearest emergency facility when you arrive.

Veterinary fees in Italy are generally comparable to or lower than those in the United States and UK.

How PetRelocation Can Help

If you're planning a move to Italy with your pet, we can guide you through the import requirements, including USDA endorsement, and connect you with veterinarians who understand the specific health risks in your destination region. Get a free quote from PetRelocation and a relocation manager will walk you through the process.

Frequently Asked Questions

Is leishmaniasis treatable if my dog is diagnosed?

Yes, but it requires long-term management. Treatment typically involves allopurinol (a medication that suppresses the parasite) for months to years, along with supportive care for any kidney damage. Many dogs live for years with managed leishmaniasis, though relapses are possible. Early diagnosis significantly improves outcomes.

What time of year are pine processionary caterpillars most dangerous?

Late February through April is the peak danger period when caterpillars descend from nests and form processions on the ground. However, nests are visible in trees throughout winter, and loose hairs can remain dangerous on the ground for weeks after the caterpillars have moved on. Avoid pine forests with visible nests from January through May.

Do I need to give my dog heartworm prevention in Italy?

Yes, if you're living in central or northern Italy year-round, or spending extended time in southern Italy. Heartworm is endemic in many Italian regions. Consult your Italian veterinarian about the appropriate preventive protocol. Monthly preventives are widely available in Italy.

Are grass awns dangerous to cats?

Yes, though cats are less commonly affected than dogs because they typically avoid walking through tall grass. However, outdoor cats can still get grass awns in their ears, eyes, or between toes. Indoor-only cats in Italy have minimal risk.

Should I keep my cat indoors in Italy?

Indoor-only cats are safer from most hazards listed here, including leishmaniasis (though cats are less susceptible than dogs), poisoned bait, and processionary caterpillars. Outdoor cats face higher risks, particularly in rural areas. If your cat goes outdoors, supervise access and keep them inside during sand fly season (dusk to dawn, May through October).