For cysts, you only need antibiotics if there's an infection. A direct injection of diluted corticosteroid (often prednisone) into the cyst is an option if there's swelling.

An ovarian cyst can cause back pain if it is large in size. The pain may be dull or aching. Learn more symptoms and when to get help.

Kai Davidson required two surgeries to remove the cyst and the infection, which was causing it to double in size every day.