If PKU is not treated, phenylalanine can build up to harmful levels in the body, causing intellectual disability and other serious health problems.The signs and symptoms of PKU vary from mild to severe. The most severe form of this disorder is known as classic PKU. Infants with classic PKU appear normal until they are a few months old. Without treatment, these children develop permanent intellectual disability.
Click Image to Enlarge. Cervicitis is an irritation of the cervix caused by a number of different organisms. Cervicitis is generally classified as either acute, meaning the onset of symptoms is severe and sudden, or chronic, lasting over a period of months or longer. Cervicitis is often caused by any of a number of sexually transmitted infections, such as gonorrhea, chlamydia, or herpes, and is often confused with vaginitis.
Key points. 1  Infections are the most common cause of inflammation of the cervix, or cervicitis. 2  There are two types of cervicitis. 3  Cervicitis caused by gonorrhea or chlamydia can move to the uterine lining and fallopian tubes, causing pelvic inflammatory disease (PID).