Snake Bites in Pets: What to Do Before You Reach the ER

A dog exploring tall grass suddenly yelps and you notice two puncture wounds. Could it be a snake bite? It’s not worth the risk to wait and wonder. These emergencies progress quickly and require immediate veterinary attention.

At Mission Veterinary Clinic in Granada Hills, CA, our emergency and urgent care team treats snake bites regularly. We maintain antivenom supplies, advanced monitoring equipment, and a triage system that prioritizes critical cases the moment they arrive. Quick action and knowing what to do on the way gives your pet the best chance at a full recovery.

Understanding Snake Bites in Pets

What Happens When a Pet is Bitten?

When a venomous snake strikes, it injects a complex mix of toxins, enzymes, and proteins that start damaging tissue within minutes. Venom affects several body systems at once:

  • Hemotoxins destroy red blood cells and impair clotting, leading to internal bleeding and bruising.
  • Cytotoxins damage local tissues, causing swelling and necrosis around the bite site.
  • Neurotoxins may interfere with nerve signals, leading to muscle weakness or respiratory distress in severe cases.

The most common venomous snake in California is the rattlesnake, found across the state’s rural, desert, and suburban areas. You can view their known habitats through this California snake distribution map.

Early symptoms typically include sudden pain, swelling, bruising, or bleeding at the puncture site. As venom spreads, pets may show drooling, vomiting, weakness, trembling, or difficulty breathing. Left untreated, envenomation can lead to shock, organ failure, or collapse.

Cats bitten by rattlesnakes often show delayed symptoms because of their smaller size and slower circulation. However, once the venom takes effect, their condition can deteriorate rapidly.

Rattlesnake season in California generally runs from spring through early fall, when warm temperatures increase snake activity. Awareness and preparation are key during these months.

Immediate Actions to Take

Steps to Take Before Reaching the ER

Your actions in the first few minutes can make a critical difference.

  1. Keep your pet calm and still. Movement accelerates venom spread through the bloodstream. Carry your pet to the car if possible.
  2. Call ahead. Alert the emergency team at Mission Veterinary Clinic at (747) 800-5706 so antivenom and IV support can be prepared.
  3. Position the bite below heart level if feasible, and remove collars or restrictive gear near swelling.
  4. Drive immediately to the clinic- never delay to “watch and wait.” Even minor swelling can precede rapid systemic effects.

Don’t try to treat the bite at home. Folk remedies like cutting the wound, applying suction, or using electric shock are ineffective and dangerous.

Skip tourniquets or ice- both can worsen tissue death. Do not give pain relievers or food, as these can interfere with emergency medications or sedation. And never attempt to capture the snake; antivenoms used in California are polyvalent and effective against multiple species, so identification is rarely necessary.

Treatment and Care at Mission Veterinary Clinic

What to Expect Upon Arrival

At Mission Veterinary Clinic, every suspected snake bite is treated as an emergency. Our triage-based system ensures the most critical pets receive immediate attention upon arrival.

Once stabilized, our emergency team performs:

  • Physical examination to assess swelling, bleeding, and pain.
  • Blood tests to evaluate clotting ability and detect internal bleeding.
  • Blood pressure and oxygen monitoring to identify early cardiovascular compromise.
  • IV catheter placement for rapid fluid and antivenom administration.

If envenomation is confirmed, antivenom therapy begins right away. The antivenom binds to circulating venom, neutralizing its effects before more tissue is damaged. Doses are tailored to the pet’s size, symptoms, and response.

As an AAHA-accredited hospital, we uphold advanced standards of emergency and critical care. Our services include:

  • Continuous vital-sign monitoring
  • Laboratory testing for coagulation and organ function
  • Pain management with injectable and local therapies
  • Surgical intervention if tissue necrosis or abscess formation occurs
  • Oxygen therapy and hospitalization with 24-hour observation

These capabilities allow us to manage mild to severe snake bites without delay.

Post-Treatment Care

Recovery typically requires 24 to 48 hours of hospitalization for monitoring. Even after symptoms improve, venom can continue affecting tissues for several days. Our team tracks bloodwork and kidney values, as certain venoms can impair filtration and cause secondary organ injury.

Pain management and wound care are essential parts of healing. We prescribe oral medications, provide bandage care instructions, and outline activity restrictions. Minor swelling or bruising may last up to a week. In more severe cases, follow-up wound checks and repeat lab work help confirm full recovery.

Pets treated promptly and appropriately generally recover completely- with minimal long-term effects.

Prevention and Preparation

Snake Avoidance Training

The best protection is prevention. Snake avoidance training helps dogs recognize and steer clear of snakes by teaching them to associate the scent and sound of rattles with avoidance. For dogs that hike or live near trails, this training can be life-saving.

Rattlesnake Vaccination

For high-risk pets, your veterinarian may recommend the rattlesnake vaccine, which can reduce the severity of venom effects and buy time for emergency treatment. It’s most appropriate for dogs that spend time outdoors, in rural settings, or near canyon and desert trails. Even vaccinated pets still require emergency care after any bite.

Reducing Risks Around Your Home

Preventing encounters starts in your own yard:

  • Keep grass trimmed and remove clutter or brush piles.
  • Store pet food securely and eliminate rodents that attract snakes.
  • Use landscaping barriers or fencing in known snake areas.
  • Supervise pets during dawn and dusk, when snakes are most active.

When out walking, keep your pet on a leash and keep them from sniffing around clusters of rocks or walking through tall grassy areas. Avoidance is the best prevention.

Common Questions About Snake Bites

How Quickly Do Symptoms Appear?

Most pets show swelling or pain within 15–30 minutes, though systemic signs may develop later depending on venom type and pet size. Cats often exhibit delayed onset compared to dogs.

Can Pets Survive Without Treatment?

Some pets survive minor bites, but many develop shock, infection, or internal bleeding without care. Antivenom and IV support dramatically increase survival rates and shorten recovery.

When to Call the Vet

Always call for any suspected snake bite– even if the snake may be non-venomous. Non-venomous bites can still become infected. Keep our number saved: (747) 800-5706, and call before heading in so our team can prepare.

Mission Veterinary Clinic treats a wide range of emergency conditions, including trauma, respiratory distress, toxin exposure, and severe allergic reactions. Our hospital’s design and training focus on rapid stabilization and expert critical care.

When Every Second Counts

Snake bites are one of the most time-sensitive emergencies veterinarians manage. Early antivenom administration saves lives and limits permanent damage.

At Mission Veterinary Clinic, our experienced emergency veterinarians and dedicated medical team are trained to deliver fast, advanced treatment with compassion and precision. As an AAHA-accredited hospital, we adhere to the highest standards of emergency medicine, from diagnostics to overnight monitoring.

If you suspect your pet has been bitten, call us immediately at (747) 800-5706 or come directly to:
16915 San Fernando Mission Blvd, Granada Hills, CA.

We recommend calling before you arrive, as our triage system ensures the most critical pets receive care first. We accept multiple payment options, including Care Credit, Cherry, and Trupanion Direct Pay, to make emergency treatment more accessible when every moment matters.

Mission Veterinary Clinic- comprehensive emergency, urgent, and advanced care when your pet needs it most.