Monocytes are white blood cells that are common to the blood of all vertebrates and they help the immune system to function properly. There are a number of reasons for a high monocyte count, which can also be called monocytosis. Some of the reasons can include stress, viral fevers, inflammation and organ necrosis.
Review the available symptom checkers for these symptoms of Paraneoplastic syndromes: 1  Skin symptoms -- Symptom Checker. 2  Fever -- Symptom Checker. 3  Loss of appetite -- Symptom Checker. 4  Weight loss -- Symptom Checker. 5  Itchy skin -- Symptom Checker. 6  Flushed skin -- Symptom Checker. 7  Cushing's syndrome -- Symptom Checker.
Early symptoms include fatigue, fever and muscle aches, especially in the large muscle groups -- thighs, hips, back, and sometimes shoulders. These symptoms are universal. There may also be headaches, dizziness, chills, and abdominal problems, such as nausea, vomiting, diarrhea, and abdominal pain. About half of all HPS patients experience these symptoms.