Mild injuries can be helped by over the counter medication as they can give relief from pain and swelling,
Gonorrhea - medication (antibiotics) , painful urination and abnormal discharge
syphilis -penicillin, antibiotics , painless sore , rash ,damage to the nerves , brains etc
chlamydia -antibiotics, rarely have symptoms if do it genital pain, discharge from area
hope this helps :)
I believe the answer is c