Some situations require extra caution with immune-active medications, and the veterinarian is the right person to weigh that risk. Dogs with a history of recurrent infections, certain cancers, or complex chronic disease may need a different approach or tighter monitoring. Puppies and very young dogs may have different considerations as well, because their immune systems and skin are still developing. The safest plan is individualized, not copied from another dog’s success story.
At home, caution looks like being quick to report changes rather than waiting for a scheduled recheck. New lethargy, fever, sudden swelling, or rapidly worsening skin should be treated as a same-day call. If the dog is around other animals with contagious skin issues, mention that exposure. Owners should also tell the vet about all supplements and treats, because “simple” additions can complicate diarrhea, appetite, or skin reactions and muddy the picture.