Signs and symptoms of the penis

Genital warts and skin lesions.
STDs, urethral pain related and non related to urine output.
Urethral secretions.
Penile cancer.
Inability to fully retract the foreskin (phymosis) that can result in penile pain during intercourse.
Penile curvatures.
Inability to develop or maintain an erection of the penis during sexual performance (Erectile dysfunction). Loss of sexual appetite (Loss of libido).
Ejaculation problems (diminished, premature, etc.).
Male infertility/subfertility.