What is the white substance produced in the coronal sulcus of the glans?

Patient's question:

Expert:
Hello!
My question is: There is a white substance produced in the coronal sulcus, with a foul odor. Occasionally, it itches, but there are no other abnormalities in the rest of the body. Due to circumstances, I need to bathe every few days, and I have sexual activity with a partner. In the past, it seemed like I hadn't bathed for a long time, and the substance in the coronal sulcus wasn't very smelly. Now, after not bathing for 3 days, I can smell a foul odor when I lift the foreskin while using the restroom. What could be the reason for this?
Thank you
Patient's Age: First Follow-up Question: However, I feel it wasn't as smelly before. It seems much stronger now.

Doctor's answer:

Hello, based on your description, this might be balanitis, but it's also possible to be caused by smegma or pearly papules. You can use Jieryin to wash it and then apply Bactroban.
According to your description, it's likely caused by excessive foreskin. This should not be related to your sexual activity over the past three days. It's more likely that the excessive foreskin leads to more smegma, which then ferments and causes balanitis. You can get an early check-up and use the medications I mentioned to clean and treat it.

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