The bubonic plague was the disease that caused the Black Death, which killed tens of millions of people in Europe, in the Middle Ages. Symptoms of this disease include coughing, fever, and black spots on the skin.
In most cases, baby acne will go away on its own within three weeks to three months. If after three months the baby acne shows no signs of improvement, parents should point out the acne at their child's wellness visit to see if there is an underlying skin condition that needs to be addressed.
By Mayo Clinic Staff. Because baby acne typically disappears on its own within several months, no medical treatment is usually recommended. If your baby's acne lingers for much longer, your baby's doctor may recommend a medicated cream or other treatment. Don't try any over-the-counter medications without checking with your baby's doctor first. Some of these products may be damaging to a baby's delicate skin. Tests and diagnosis.