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Can a varicocele cause erectile dysfunction?

By Rebeca Reus BSc, MSc (embryologist).
Last Update: 12/19/2018

No, in principle a varicocele does not affect erection. Only if testosterone levels drop dramatically, the man may experience erectile dysfunction, but it is uncommon.

 Rebeca Reus
Rebeca Reus
BSc, MSc
Embryologist
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).
Embryologist. Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).