Mark dos Anjos, DVM received his Doctor of Veterinary Medicine (DVM) degree from the University of Missouri College of Veterinary Medicine. Over his career, he has practiced on four continents, treating a wide range of animals, including dogs, cats, exotic species, and wild animals, as well as various types of livestock and poultry. While certain issues need hands-on examination and lab testing, Dr. Mark is available to address your questions to assist with your pet’s needs.
Please note: the “Ask a Vet” mailbox is not monitored around the clock. If you need urgent assistance or are facing an emergency, contact your local veterinarian right away.
More From Ask a Vet
- Dog Soft Tissue Sarcoma Treatment and Dosing Info for Fenbendazole and IvermectinVicki writes to Dr. Mark regarding advice for her dog’s soft tissue sarcoma treatment and dosing instructions using Ivermectin and Fenbendazole. Initially, her dog’s tumor was surgically removed, however it subsequently returned and is now larger than it was before the surgery. Dr. Mark offers the following treatment advice for her to discuss with her… Read more: Dog Soft Tissue Sarcoma Treatment and Dosing Info for Fenbendazole and Ivermectin
- Can I Help My Dog Live Longer? A Vet’s Opinion on Peptides vs PillsIn this article, Dr. Mark explains some ways to help your dog live longer, including peptides, pills, calorie restriction, exercise and dental care.
- Osteosarcoma in Dogs Treatment: A Vet’s Opinion On Ivermectin and FenbendazoleAlbert wrote to us asked about his 65 lb Doberman, who had just been through an amputation to remove osteosarcoma in her right front shoulder. Since the cancer is in the lungs already, he wants to try his dog on ivermectin and fenbendazole. This article serves as information about the sources for those medications, the doses Dr. Mark recommends as a veterinarian, and a protocol that Albert can use.
- Home Remedies for Urinary Incontinence in Dogs: Can Corn Silk or Peptides Help?A dog owner recently asked us about home remedies for urinary incontinence in dogs. Specifically, she wanted to know whether natural options, such as corn silk or newer peptides, might help. While leaky bladder problems are common in spayed female dogs, the right treatment depends on the cause. Below, Dr. Mark explains why urinary testing… Read more: Home Remedies for Urinary Incontinence in Dogs: Can Corn Silk or Peptides Help?
- Homemade Struvite Diet for Senior Cats: A Vet’s Recipe and AdviceSandra contacted our Ask a Vet section with an important question about her 12-year-old cat, who has a history of struvite crystals and worsening osteoarthritis. She wanted to know whether a homemade diet could support his urinary health without making his joint problems worse. Here is Sandra’s question and Dr. Mark’s response.





