The clinical signs of leptospirosis vary and are nonspecific. Sometimes pets do not have any symptoms. Common clinical signs have been reported in dogs. These include:
Fever
Vomiting
Abdominal pain
Diarrhea
Refusal to eat
Severe weakness and depression
Stiffness
Severe muscle pain
Inability to have puppies
Generally younger animals are more seriously affected than older animals.
If you think your pet may have Leptospirosis, contact your veterinarian immediately. Your veterinarian can perform tests to determine whether or not your pet has the disease.