Spider Bites on Dogs – Common Signs & Spider Bite Treatments

Disclaimer: The content on MyPetChild.com is for informational purpose only. It is not intended to be a substitute for professional veterinarian advice, diagnosis, or treatment. Always seek the advice of a veterinarian when in doubt.

We don’t really expect our dogs to get insect bites. They have their coat to protect their skin, after all. The truth is they are just as vulnerable to bites from insects as we are – mosquitoes, bees, wasps, you name it. One of the most common kind, however, is spider bites on dogs. You have to know how to handle the situation, especially if the spider is venomous.

How to Handle Spider Bites on Dogs

Did you know that there are over 30,000 species of spiders worldwide? The majority of them are venomous, but in most cases, species living in areas with more human population tend to be harmless. It is still possible, however, for your dog to get sick from a spider bite. Also, if left unattended, the wound could get infected.

Two Types of Venomous Spider Species

Do you know what types of spiders live in your area or country? You have to find out because knowing the kind of spider that could bite your four-legged family member is a big help. It’s going to make your vet’s job easy as he or she will be able to identify the anti-venom that should be used.

The good news is there are only two main groups of spiders that are responsible for a majority of spider bites that could land you or your dog in the hospital: widow spiders and the recluse spiders. Find out if these kinds of arachnids live in your neighborhood. If yes, research what they look like, as well as what their bites might look like on animals.

How to Spot and Treat Spider Bites on Dogs

Because of your dog’s coat, it’s going to be difficult to spot a spider bite just by observing, especially if it’s a wolf spider bite. It may be easier on areas where there’s no hair – ear flaps, stomach, nose, and so on, but know that it can happen anywhere.

How the bites might look like will vary. Always watch out for red bumps that feel hot to the touch. It’s possible that there will be puncture wounds, and that the bump or the spot will be painful when touched.

Treating Spider Bites on Dogs at Home

Most harmless spider bites go away on their own. But, if your pet shows signs of the bite being painful or uncomfortable, try cold compressing the area. A pasty mixture of water and baking soda applied on the bite can also alleviate the swelling.

Please take note that if your dog is showing signs of muscle weakness, allergies (like a puffy face), fever, excessive drooling, vomiting, or any abnormalities or changes in his behavior, go to your vet immediately. He may be experiencing adverse effects from the venom of a dangerous spider.

Can Spider Bites Kill Dogs?

In the case of non-venomous bites, then no. Your pet will be alright granted that the wound is cared for and is not infected. On the other hand, a bite from dangerous species of spiders can be fatal if you do not bring your dog to the vet on time. There could also be undesirable effects on your dog’s system, such as kidney failure. So, it’s important to know when you should do an at-home treatment and when you should go to the vet.

How Long Does a Dog Spider Bite Take to Heal?

The amount of time it takes for a spider bite to heal will vary. Usually, in not so serious cases, the swelling will die down in about 24 to 48 hours. If the bite seems worse than it was before, it’s probably because of the venom. Go to your vet immediately if the bite and the area don’t get better after two days.


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