dear i can understand your apprehension,
frenulum is the name given to the area of sensitive skin on the underside of the penis,right near the center of head.
i would advice you to visit general surgeon so that you can be evaluated and confirm the diagnosis that you can be treated accordingly.
The fallowing steps may help;
-avoid using excessive force and speed during masterbation and sexual intercourse.
-be well lubricated before having coitus.
-use condoms while having sex.
-keep the area clean and dry.
-maintain a high level of hygiene.
Next Steps
fallow the steps as advice
Health Tips
if the condition or worsens visit the general surgeon at the earliest,.