Problems with sexual function like difficulty ejaculating or a small amount of fluid ejaculated, decreased sexual desire, or difficulty maintaining an erection (erectile dysfunction)
Pain, swelling, or lumps in the testicle area
Recurrent respiratory infections
Inability to smell
Abnormalities in breast growth (gynecomastia)
Reduced facial or body hair or other signs of a chromosomal or hormonal abnormality
A lower-than-normal sperm count (fewer than 15 million sperm per millilitre of semen or a total sperm count less than 39 million per ejaculate)