It seems to be phimosis.
It needs to be treated in a holistic approach for complete recovery.
It can be well treated with homeopathic medicine and few exercises to continue.
You need an expert Sexologist who is a good homeopathic physician.
Next Steps
I have been working as a Homeopathic Psychiatrist, sexologist and Counseling psychologist for the last 17 years. You can contact me through an online appointment for further assistance.