Signs of a chronic systemic disease appear later, with weight loss, anorexia, lethargy, and possibly death.
en.wikipedia.org It produces symptoms of irritability, disorientation, lethargy, muscle spasms, vomiting, abdominal cramps, convulsions, and seizures.
en.wikipedia.org Lethargy, depression, weight loss and decreased quality of antlers can occur sporadically.
en.wikipedia.org In the 16th century, the term concussion came into use, and symptoms such as confusion, lethargy, and memory problems were described.
en.wikipedia.org A serious deficiency in this vital nutrient can cause beriberi, which has the immediate symptom of severe lethargy.
en.wikipedia.org