Population Demographics for Lebanon County, Pennsylvania in 2016 and 2017. Other Counties and Cities in Pennsylvania.
Hookworms can produce any of the following symptoms â though symptoms may only appear with heavy infections: 1  Failure to gain weight or weight loss. 2  Loss of appetite. 3  Diarrhea. Anemia (pale gums, weakness) sometimes seen and can be a cause of death in puppies.  Bloody or tarry stools may be present.
The typical signs and symptoms in children under five are fever, cough, and fast or difficult breathing. Fever is not very specific, as it occurs in many other common illnesses, may be absent in those with severe disease, malnutrition or in the elderly. In addition, a cough is frequently absent in children less than 2 months old.