Our expert says:
Firstly it is important to note that the amount of precum men produce can differ from man to man and can depend on his age and frequency of ejaculation.
Due to limited information in your description it is not possible to determine for sure why you are experiencing pain on penetration. One possibility may be if you have a tight foreskin, that when you do have suffucient precum that it serves as a lubricant and that the times when you produce very little precum that you do not have the lubricant effect and you then experience pain on penetration. You could then use a water based lubricant to assist.
If it persists it would be advisable that you consult your Dr who could do a more comprehensive assessment.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
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