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These skin eruptions are infection caused by bacteria. When you scratch one of the boils
and touch other part of skin, it will spread to that area. You need to consult a dermatologist
and get antibiotic treatment to kill all those bacteria otherwise they will keep on recurring from one place to the other.
Moreover these mainly affect the sweat gland
blocking the sweat gland ducts opening on the surface of the skin. Take bath twice a day, washing your body well with soap and warm water, and use talcum powder to keep your body dry. You may use Detol Soap or add a little bit of detol or Savlon
solution to your bathing water to get antiseptic cleansing.