Dogs
by Mark Nunez, DVM
Dear Dr. Mark: Skipper likes to eat bugs. Are there any bugs Skipper shouldn't be eating? All Summer long I had to watch him because of the bees. Lucky we did not have any bees for snacks. Today Skipper was out chasing a bug and he managed to catch it for his snack. Spiders are another thing he wants to snack on...Help! I don't want Skipper to get sick.
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Dr. Nunez's advice does not replace an actual exam with a veterinarian.
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Dogs
Ask the Vet: Dogs Who Love Bugs
by Mark Nunez, DVM
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| © Oblivion9999 via Flickr.com Facial Swelling Common in Bug Bites & Ingestion |
Sharon G.
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Hello Sharon,
This is a good question. Most bugs are not toxic in the sense that they will cause liver and/or kidney damage if ingested, but there are a few notable ones that I will discuss. The main problem is the same problem that people have, anaphylaxis (allergic reactions) to stinging insects.
Fortunately, for our canine friends, their immune cells are distributed a little differently as compared to ours and they do not have the issue of their throats swelling shut like we do. Their faces swell (angioedema), they break out in hives, they get very itchy, and could also have vomiting and diarrhea. Occasionally, the diarrhea can be very bloody. The good news is that they usually respond very well to Benadryl and corticosteroids (Prednisone). Eating caterpillars with spines or non-venomous hairs can cause a localized itchy response due to mechanical irritation and foreign body that can result in hives, drooling, difficulty swallowing and tongue, lip and oral irritation.
The notable mentions that can cause major problems are listed here with images at the links:
- Monarch butterfly caterpillars. These guys feed on milkweed which contains cardiac glycosides so they can be toxic to the heart. Some caterpillars have stiff spines or hairs that can do physical trauma and cause oral and GI irritation.
- The puss or asp caterpillar, flannel moth larvae (Megalopyge opercularis) is considered the most dangerous caterpillar in the US (Primarily SE) although over 40 genera worldwide are reported to cause problems.
- The slug caterpillar, or saddleback, is in North America and is a stinging caterpillar. They have 2 horns with spines. The hag moth, or monkey slug, also stings and is primarily east coast and SE NA. The gypsy moth (New England) can envonmate (inject poisonous material) as well; lots of others as also.
- Probably the absolute worst is the Lonomia species (Brazil, etc). It can cause deaths, coagulopathies ,etc.
It can be very difficult to stop your dog from eating bugs. Usually a good sting is motivation enough. Fortunately, most dogs are not allergic and should learn their lesson once they experience the unpleasantness of a sting, or a bad taste as well :-).
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| © courtesy m.n. Dr. Nunez |
Dr. Nunez is a practicing veterinarian while also assisting patients through The Balanced Canine blog and his own online veterinary pharmacy. Have a question for Dr. Mark? Send it to [email protected]. You can also follow Mark on Twitter.
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by Mark Nunez, DVM © All Things Dog Blog Happily Enjoying Crate Time is Healthy for Your DogMy rescue dog has been with me since she was quite young. Living alone, I wonder if she has become too attached to me. When visiting family she displays...
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by Mark Nunez, DVM Daniel Y. Go via Flickr.comDear Dr. Mark,I've read that long-term use of prednisone can cause Addison's disease, Cushing's disease, and a dependence on the drug to the point where his body will not be able to produce...
- Ask The Vet: Dogs And Allergies
by Mark Nunez, DVM © Lee J Haywood via Flickr.com Itchy Itchy Allergies Dear Dr. Mark:Jack has suffered for allergies for his whole life. We know he is allergic to fleas, so we work very hard to keep that under control. When he comes into contact with...
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by Mark Nunez, DVM © courtesy Mateuszz via Flickr.com Natural Bones Have Multiple Dangers Hello Dr. Mark: My husband hunts deer. He brought home some deer bones for Rex, our Jack Russell mix. I suggested he cook them to kill parasites or germs...
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