Snake Bites Average Cost

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What are Snake Bites?

In general, nonvenomous and venomous snakes tend to have different physical characteristics. Nonvenomous snakes often have round pupils and a rounded head. Venomous snakes usually have elliptical pupils, not unlike a cat's. Their heads are often angled like a diamond or triangle. Most snakes in North America are not venomous. A bite from a nonvenomous snake can still be harmful to a cat, as snakes often carry infection-causing bacteria and a great number of parasites from feeding on dead animals. Snakes need warm weather to function as they are cold blooded. In colder climates, they hibernate during the winter and come out in late spring. Venomous snakes who have just woken from hibernation may carry greater volumes of toxins than at other times of the year. In warmer climates, snakes pose a threat year-round.

Snakes are reptiles that most cats consider as prey. A cat's natural instinct is to curiously investigate a snake, and even to pursue, hunt, and attack the animal. This can end poorly for the cat, as many snakes will bite when they feel threatened. Both venomous and nonvenomous snakes can bite. A venomous snake has the ability to inject powerful toxins into its victim's body that have the potential to be lethal. These include hemotoxins (affecting the blood), neurotoxins (affecting the central nervous system) and cytotoxins (affecting the cells of the body. A venomous bite from a snake can cause kidney failure, tissue death, adverse allergic reaction, and paralysis. Not every bite from a venomous snake involves a release of toxins.

Symptoms of Snake Bites in Cats

The wound caused by a snake bite will vary greatly based on the type and size of the snake itself. Venomous snakes tend to leave two large puncture wounds in the flesh from their fangs. Nonvenomous snakes leave more of a horseshoe shape of smaller incisions. Not all bites are visible, especially in cats with long hair, and some bites do not puncture the skin. Symptoms may worsen as time passes. All signs to watch for include:

  • Swelling
  • Puncture wounds
  • Bleeding
  • Trembling 
  • Vomiting
  • Diarrhea 
  • Weakness
  • Ataxia (unbalanced gait)
  • Tachypnea (rapid breathing)
  • Cyanosis of the gums
  • Ptosis (drooping eyelids)
  • Dilated pupils 
  • Hematuria (blood in urine)
  • Paralysis 
  • Coma

Causes of Snake Bites in Cats

A cat who is allowed any outdoor exploration may at some point come in contact with a snake. If the snake feels threatened by the confrontation, a bite may follow. Possible causes are listed below.

  • Venturing into areas with long grass
  • Exposure to rural surroundings
  • Hunting or chasing a snake

Diagnosis of Snake Bites in Cats

Unless you are an expert on snakes and you witnessed the bite take place, it is best to treat any snake bite as potentially venomous. Rush the cat to a veterinary clinic or animal hospital immediately so that life saving treatment can be administered. Call ahead to verify if the center you are going to carries antivenin on hand, and get a referral to somewhere that does if they do not. Keep the cat laying down and prevent movement. Try to position the bite area below the cat's heart. A pressure wrap, but not a tourniquet, may be used to slow the cat's circulation.

Once you have arrived at the hospital or clinic, be prepared to answer questions about the location and environment your cat may have been in when bit. If you saw the snake, try to remember details about its appearance to help identify what type it was. Some centers in areas venomous snakes are known to inhabit may carry a snake venom test kit to further assist with snake identification. Full blood work will be needed, including a complete blood count and a biochemical profile. The time it takes for the cat's blood to clot may be measured. The vet may take note of fibrinogen (clotting protein) and platelet counts. 

Differentiation may be needed from other type of bites and wounds. Cultures may be performed to see if any bacterial infections are developing. A fecal exam may help confirm whether parasites are present. All of these tests and evaluations may be performed while the cat is already receiving supportive care.

Treatment of Snake Bites in Cats

In venomous snake bites, the goal of treatment will be to reverse the effects of the venom on the cat's body. In all snake bites the prevention and treatment of infection may be needed. 

Supportive Care 

Stabilization of the cat can greatly help its ability to survive a venomous bite. Hospitalization is required for this care, as intravenous fluids and feeding tubes may be required. Oxygen supplementation can assist in cases when the cat is having trouble breathing. 


If it has been determined that the cat has been bitten by a venomous snake, the corresponding antivenin should be administered. It may take more than one vial to counteract the effects of the venom. Some cats develop allergic reactions to the antivenin.


As snake bites tend to be very unclean, antibiotics are often prescribed to rid the body of any harmful bacteria that may have been left by the snake. These prescriptions generally last from 1-4 weeks.

Recovery of Snake Bites in Cats

It takes most cats a minimum of one to two days to recover from a venomous snake bite with antivenin treatment. If immediate treatment has not been given, venomous bites are often fatal. Once discharged from the hospital, monitor the cat for any worsening in its condition. Keep the cat's activity lowered throughout the healing process. 

Administer all medications as prescribed by your veterinarian. The faster that treatment was received, the better chance the cat has of surviving a venomous snake bite. It may be best to keep cats indoors to prevent possible snake encounters. If you do allow your cat outdoors, do your best to eliminate things that attract snakes, such as piles of wood or long grass. Get to know what snakes live in your area and what they look like. 

Snake Bites Questions and Advice from Veterinary Professionals

1 Year
Fair condition
0 found helpful
Fair condition

Has Symptoms

Week.swallon leg and thigh.hard to

My male cat was bitten by something about a week ago no one realized it until we saw the area was bald while cleaning her up I saw the puncture marks there is two sets but one looks like it is turning black the area is swallow and hurts for him to there anything I can do being it happen so long ago I know dogs have a natural amunity to rattlesnakes but what about cats.

Michele King
Dr. Michele King, DVM
470 Recommendations
Thank you for your email. Nobody has a natural immunity to rattlesnakes, and the wounds can become quite infected and painful. Tissue around the area can slough as the tissues die. It would be best to have him seen by a veterinarian as soon as possible to have the wound assessed and see what treatment might need to be given. I hope that Crook is okay.

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6 Years
Mild condition
0 found helpful
Mild condition

Has Symptoms

Face swollen

My cat is hiding under our shed we found him last night and he was bleeding from his mouth and nose he will not come to us and I can not reach him. This morning checked on him again still in the same place but his mouth looks swollen and looks as if he can’t open up his mouth , he won’t eat or drink just sitting there and not moving much. I believe he might have gotten bit by a rattlesnake snake it’s been 16 hours since.. he will not come out at all feel helpless

Callum Turner
Dr. Callum Turner, DVM
1964 Recommendations
If you suspect that there has been a rattlesnake (or any other snake) bite, you need to get Max to a Veterinarian for supportive and symptomatic care; the more time that passes means more chances of complications and problems from the venom, secondary infection and the body’s reaction to shock. Find a way to get Max from under the shed as nothing can be done with him under there. Regards Dr Callum Turner DVM

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Maine Coon
Critical condition
0 found helpful
Critical condition

Has Symptoms

Not coming home

Hi our cat didn’t come inside Wednesday night, we found her drinking water from a puddle Thursday but she ran and hid from us when we called to her, we then found her once more in Thursday but she ran off again. We live in rural area with tiger snakes that frequent the area. We are certain she was bitten Wednesday. She is a long haired mainecoon. My question is what are her chances to survive the snake bite on her own?

Callum Turner
Dr. Callum Turner, DVM
1964 Recommendations
Tiger snakes are commonly seen around New South Wales, Victoria and South Australia; symptoms of being bitten are dilated pupils, drooling, diarrhoea, vomiting, weakness or paralysis. Depending on the literature cited, cats receiving antivenom therapy have a 90% survival rate compared with around 65% in cats which didn’t receive antivenom; without having Mimmi examined and treated (at least symptomatically) I cannot give any indication of prognosis. Regards Dr Callum Turner DVM

Thank you for prompt reply. We aren’t entirely sure if it were a snake bite but we are rural Victoria and have many around the house. The other thing that possibly could have happened is she’s eaten a mouse or rat that had been poisoned? She Wasn’t paralysed and we didn’t notice anything different in her movements except she wouldnt come to us.

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