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What symptoms should I watch for if my dog was bitten by a huntsman?

Updated on September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | neutered | 8 years and 1 month old | 39.6 lbs

Hello. My male lab (aged 8) was just bitten on the face in the snout & mouth area by a huntsman (rain spider) as he is black I cannot see the bite area. Is this spider dangerous to my dog? Is there anything I need to look out for? Kelly

1 Answer

Most Helpful Answer

Dr. Strydom, DVM

Answered By Dr. Strydom, DVM

Veterinarian

Published on September 16th, 2019

Hi Kelly,

Are you 100% sure he was bitten? Hunstman spiders rarely bite. They do possess some venom, and if bitten, the area around the bite may get inflamed and/or infected.

Symptoms vary depending on the type of spider and amount of venom released when bitten. Here is a list of possible symptoms to look for:

General problems:

Weakness/Lethargy
Muscle or joint pain
Seizures
Increased heart rate
Trouble breathing
Drooling
Diarrhea
Vomiting
Trouble walking/standing


At the location of the bite:

Swelling
Redness
Pus/Infection

If you notice any abnormal symptoms then get him to your vet for an exam.
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