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How do you treat a spider bite on a cat?

Author

Daniel Johnson

Published Mar 02, 2026

How do you treat a spider bite on a cat?

Treatment of Brown Recluse Spider Bite Poisoning in Cats

  1. Ice Packs: To reduce pain and inflammation, an ice pack is set on the affected area.
  2. Wound Care: The bite may widen into a crater and blister.
  3. Tissue removal: If cell damage is extensive, the vet cuts off the corresponding dead tissue.

What happens if a cat gets bit by a spider?

The clinical signs of a spider bite vary with which species delivered the bite. These signs include muscle pain and cramping, vomiting, diarrhea, tremors, and agitation. Affected dogs and cats may also develop muscle rigidity and may seem painful in their abdomen (belly).

How long does it take for a spider bite to kill a cat?

Muscle rigidity and pain from a black widow bite will last several days in a healthy adult cat and may take up to a month to fully clear. If the cat is going to die from a widow spider bite, experts say death can happen within one day of the bite.

Can a spider bite kill a cat?

While not fatal to humans, white-tailed spiders can kill cats. No cat owners want their cats to be bitten by a spider, as bites can be uncomfortable and lead to infection. White-tailed spiders are among the spider species that are lethal to cats, and are often able to kill a pet with a single bite.

Can spiders bite cats UK?

Evidence of cats being bitten by spiders The bad news is there are 650 species of spider in the UK, and while only some of them are venomous, all can bite — it’s how they catch their prey. But she said although cases of cats being bitten by spiders are rare, owners should be aware of the signs.

How do vets treat spider bites?

Even if it wasn’t a brown recluse or black widow spider bite, skin that’s been broken open by scratching or biting can become infected. Your veterinarian can administer anti-itch medication such as a steroid and may also recommend an antihistamine or antibiotic, if the wound is infected.

Can spider bites make cats sick?

Because your cat is much smaller than you, venom from a spider bite can do more damage to them than it could to you. Black widow spiders are poisonous to cats. 1 Other common poisonous spiders to watch out for include the Brown Recluse and Hobo Spider. Poisonous spider bites can cause major illness or even death.

How do I know if my cat got bit by a spider?

What are the symptoms? Local pain, swelling and irritation at the site of a possible bite, including the development of unhealing sores. A focal area of skin which becomes infected or necrotic.

Can a black spider kill a cat?

Cats are particularly prone to the effects of black widow spider venom, and bites can easily cause death. Salivation, restlessness, vomiting and severe pain occur after a black widow bite. Muscle cramping and incoordination progress to complete paralysis and death.

Is it OK for cats to eat spiders?

Cats often eat spiders, and for the most part, spiders don’t hurt cats. The process of consuming and eating a spider digests the proteins in the venom and renders them neutral. Which is why people that eat spiders are fine as well. It is possible for a spider to bite a cat, although that is quite rare.

Will a cat get rid of spiders?

Cats are experienced hunters and will take care of any spiders they see crawling around your home and yard. Cats can double as a family pet and help keep spiders out of your welcoming home.

How do you treat brown recluse spider bites on cats?

Treatment largely involves supporting the healing process by keeping the wound clean. Antibiotics can stave off secondary infection. Medication can relieve the other symptoms; most cats recover fully from brown recluse spider bite.

How do you stop a cat from biting a spider?

Preventing Cat Spider Bites. You can try to prevent spider bite by keeping spiders out of your home, and limiting your cat’s access to areas where spiders might live. Both of these types of poisonous spiders like to hide in dark corners, in basements, closets and attics.

Is there a treatment for Black Widow spider bites in cats?

Treating Black Widow Spider Bites in Cats. While there is an antivenin that can treat black widow spider bites, it’s expensive. It can also be difficult to diagnose a bite as having come from a black widow spider. There’s no test for it, so diagnosis needs to be made on the symptoms and the presence of the spider.

What are the treatments for spider bites?

In the case of black widow bites, antivenin is sometimes given to counteract the spider’s venom. Brown recluse or hobo spider bites may require steroids to reduce tissue damage, surgery to remove dead tissue or antibiotics to treat secondary infections that result from the bite.