Mitigate

After+having+a+really+bad+rash+%2C+her+doctor+suggested+she+uses+the+rash+cream+to+mitigate+the+rash.

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After having a really bad rash , her doctor suggested she uses the rash cream to mitigate the rash.

To make less harsh or severe

After having a really bad rash , her doctor suggested she uses the rash cream to mitigate the rash.