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There is no need to retract the foreskin if it is painful. Apply it on the foreskin and if possible apply a bit on the head with the tip of your little finger. Secondly, 130 fasting blood sugar is high. Get a fasting and postprandial blood sugar level done with HbA1C level. If they are high then only blood sugar control will help you. Only topical medications will not help in this case. Generally, white residue precedes the cuts. Continue Onabet cream twice a day. Till then get the blood reports done and follow up with them.