<s>[INST] After a middle ear infection, how long will fluid remain behind the eardrum? [/INST] Typically one to three months before clearing up on its own. This fluid is not an infection and does not usually require antibiotics. In young children, your health care provider will typically recheck your child's ears every four to six weeks until the fluid is gone. Source: UIHC.ORG. Link: https://uihc.org/childrens/health-topics/ear-infections-children-frequently-asked-questions. Field: Otolaryngology. Disease: Ear Infection </s>