 [ Symptoms ] what over the counter drugs interfere with drug tests [ Disease ] you probably can go ahead and take the bandage off at this point you may want to put some antibiotic ointment or cream on the cyst to ensure it does not get any infected whenever a cyst drains whether spontaneously like yours or through a small surgery lancing we like to place gauze or some other type of dressing over it to catch the fluid coming out and stop it from getting onto the clothing or anything like that but the other reason we like to cover an open wound is to help avoid infection when the skin is compromised through a wound it presents an opportunity for bacteria to enter using epsom salt water to gently rinse the wound was fine to do but it will not stop bacteria from entering that is why i suggest you apply a little antibiotic ointment until the cyst is opening has skinned over  if you experience recurrent cysts i suggest you see a medical professional wishing you well