Why is my dog scratching and vomiting randomly? Is it lice?

Question

My dog is scratching like crazy and have all the symptoms for chewing lice plus she vomits at random times every 1-3 days. Is it lice or could it be something else? Thank you for the direction. Pet's info: Dog | Yorkshire Terrier | Female | 7 years and 10 months old

Dr. Melanie, BVSc MS · Accepted Answer

You are correct that Maggie Moo could have lice, but the itching could also be due to something else. This scratching can be caused by fleas, mites, ringworm, or allergies. If she isn't up to date on his flea treatment, she will need a spot on treatment such as Advantage or Revolution. You will need to disinfect the environment as well. If she is up to date on his flea treatment, I recommend taking her into your vet for an exam. Your vet can do a physical exam, blood tests, skin scrapings, and use a Wood's lamp to diagnose lice, allergies, mites, and ringworm. Once the cause of the itching is found, your vet can prescribe the appropriate treatment. I recommend taking her into the vet today during normal business hours. While there, the vet can examine her for the random vomiting. Sometimes if dogs eat too quickly, that can cause them to vomit, and it would explain her vomiting at random times every couple of days. There could also be a medical issue behind it, such as ulcers or infection. The vet can determine the cause of this vomiting, and how best to treat it.

Why is my dog scratching and vomiting randomly? Is it lice?

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