1 lumps on the underside of the penis :
As renorenal said - Human Papilloma Virus, and also Molluscum
contagiosum,
which is a benign viral infection of the skin causing small
skin-colored bumps. It's caused by a pox virus.
2 sores on the mouth :
Caused by the Herpes Simplex Virus (HSV-1) which causes mouth and
lip rash, blisters. There is also HSV-2 which causes itching rash
on the genitals, it's called the genital herpes. Either strain of
this virus can cause either rash, though 75% of genital herpes is
caused by HSV-2.
3 anal sex will lead to what std?
HIV/AIDS,
Chlamydia (bacterium Chlamydia trachomatis which causes various
sexually transmitted diseases. Chlamydia is currently the most
common STD),
Syphilis,
Hepatitis B and C (you can be vaccinated against Hepatitis A and
B),
Gonorrhea (caused by the bacterium Neisseria gonorrhoeae) which may
cause abdominal pain, vomiting, fever, sore throat (pharyngitis),
arthritis, skin lesions, and discharge from the eyes, anal and
rectal itching, anal discharge, painful bowel movements, and
painful anal sex may occur. Gonorrhea can affect the prostate and
testicles in men. In women, it can cause pelvic inflammatory
disease.
Chancroid, which is a highly infectious bacterial disease caused by
Haemophilus ducreyi that affects the skin and mucous membranes of
the penis, vulva, urethra, and anus. It produces painful
irregularly shaped ulcers.
