The syndrome includes an ascending paralysis which may be preceeded by a period of mania and aggression. RMSF is caused by Rickettsia rickettsii which is transmitted by various ticks as they blood-feed. Clinical signs associated with this disease in dogs includes lethargy, anorexia, ocular and nasal discharge, lymphadenitis and splenomegaly . A thrombocytopenia also occurs. Lead Poisoning Lead poisoning is caused by the presence of lead or lead salts in the body.
Lead poisoning affects the brain, nervous system, blood and digestive system.
It is often found in urban dogs due to the frequency of lead in the environment in paint containing lead which tastes sweet as it weathers. As the paint flakes off, it is ingested by the animal. Clinical signs include abdominal pain, vomiting, diarrhea and seizures.