Medically reviewed by Robert Burakoff, MD Key Takeaways A urachal cyst is a sac of tissue and fluid between the bladder and the belly button, which can sometimes cause discomfort or symptoms if it ...

Belly button infections can lead to sepsis, a life-threatening condition, if untreated. Symptoms of an infection include redness, tenderness, pain, swelling, and possible discharge. Newborns with ...