Will Mothballs Hurt Dogs If Eaten?

Will Mothballs Hurt Dogs If Eaten? Ingestion of naphthalene mothballs can cause gastrointestinal upset and less frequently, anemia, neurologic signs, and kidney or liver damage. Modern PDB mothballs are less toxic but can still cause illness, especially when ingested. Can moth balls hurt dogs? Modern PDB mothballs are less toxic but still can cause illness,