May be fungal infection are you diabetic? Consult with photographs  of leision

You may done test CBC,VDRL,.and send report for curable treatment .If you want curable Ayurvedic treatment then consult with me through this Chanel.

It can be a sexually transmitted infection or a fungal infection .it's Treatable with Homoeopathic treatment without any side effects

First you rule out your sugar levels in the blood . And HbA1c average glucose . After that u consult me . Till then u wash with SOAP NUT water it will b useful to sustain the symptoms

Your problems may be due to fungal infections, don't worry, apply antifungal oint thrice a day,e g. quadriderm oint, Wash with Lukewarm boric acid water or KMnO4 solution in water ,wash after every urination etc, also take antifungal tab.weekly,or Arogya Vardhini Vati 2 tabs bid,Cap Majistha Himalaya drug 1 bid,drop water stream on penis from upward to downward Many times

Apply neem oil on the part. Sarasaparilla syrup 2 tsf thrice a day for 15 days

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It appears like what you're describing is smegma, a white substance produced by the penis glands that appears under the foreskin. Smegma is perfectly natural but it's important to make sure you wash thoroughly on a daily basis because, if it's left to build up, it can cause problems, like an infection. You may wash with luke warm water with 5 drops of Echinacea tincture twice or thrice a day till it is cleaned.

Take online consultation directly providing all details. Find out root cause of your problem correct it by ayurvediy way

Check your blood sugar