On the skin appeared a painful densification, which, inflamed, causes a lot of suffering?. 
Most likely, you are amazed by one of the varieties of pustular skin diseases - pyoderma. In order not to cause unnecessary suffering, it is necessary to prevent the occurrence of foci of purulent inflammation on the skin. 
Recommendations:. 
Observe the rules of hygiene. 
Your diet should be balanced and rational, not lead to metabolic disorders. 
If you work in a field where it is possible to obtain microtraumas, or with chemicals, use protective equipment - at least gloves. 
Try to strengthen the immunity, if necessary, in consultation with your doctor, take special medications - immunomodulators. 
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