General medical conditions

Use the search box to learn about general medical conditions that affect children and young people.

Click here for information about specialist medical conditions, which are treated at Great Ormond Street Hospital.

Tooth plaque

Plaque is a soft sticky deposit that continually forms on each of the tooth surfaces. It contains many types of bacteria (germs). It affects everybody, regardless of age.This page from Great Ormond Street Hospital (GOSH) explains about toothplaque.

Urinary tract infections

This page from Great Ormond Street Hospital (GOSH) is about urinary tract infections in young people with abnormal urinary tracts. A urinary tract infection (UTI) is an infection of one of the various parts of your urinary system.