My friend has a knot on one of his testicles, is it a possibility that he has a sexual transmitted disease?

My friend has a knot on one of his testicles, is it a possibility that he has a sexual transmitted disease?I would like the answer from a man or a medical physician.

clearentertainermanagement
Or an ingrown hair...Or testicular cancer! Think Lance Armstrong, Tom Green. Tell your friend to RUN to the doctor for an exam to be sure.

kathy_is_a_nurse
Unlikely that it is an STD. However, while there are benign (harmless) conditions that can cause knots in the testicles, there are also some dangerous (for him...not you) conditions. For that reason, I'd encourage you to encourage him to see a doctor.

aWellWisher
If it is on the skin, it cld be a cyst eg - sebaceous cyst. Inside the scrotal sac, it could be a varicocele, inflammation of epididymis or any growth. Best will be to get a check up. It should not be an STD.
Good luck!

Add your own answer in the comments! Learn about different types of STDs and the effects on the body in both women and men. Sexually Transmitted Diseases Info Blog.

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