To identify an illness in a child who is over the age of 12 months, some troubling symptoms to look for are a very high fever, severe headache, rash that appears on different parts of the body, stiff neck and a serious s... More » Health Conditions & Diseases

Monocytes are a type of white blood cell produced in the bone marrow. Their main function is to fight infection. A high absolute monocyte count occurs as a result of chronic infection. More »

Symptoms of mental illness include alcohol or drug abuse, mood disorders, problems with concentration and thinking, and nervousness, according to Mayo Clinic. Hallucinations, delusions, social withdrawal, excessive tired... More » Health Conditions & Diseases Mental Health

Symptoms of chronic Epstein-Barr virus can take four to six weeks to develop and often include fever, a sore throat, a rash, swollen glands in the neck, weakness and sore muscles, according to WebMD. Patients also experi... More » Health Conditions & Diseases

A streptococcus rash is a rough, red rash that begins around the neck and chest and spreads from there to the rest of the body within one to two days, according to WebMD. A rash resulting from streptococcal bacteria is c... More » Health Conditions & Diseases

According to, the early symptoms for HIV include fever, swollen glands, rash, fatigue, sore throat, headache and muscle and joint pains. These symptoms can last anywhere from a few days to several weeks. More » Health Conditions & Diseases

Within two to four weeks of HIV infection, many people experience flu-like symptoms, such as fever, swollen glands, sore throat, fatigue, rash and headache. Fever is the most common symptom, according to Some p... More »