Alcohol Rachel Gonzales-Castaneda Martin M. Anderson KEY WORDS Alcohol Alcoholism Alcohol intoxication Alcohol treatment Alcohol use Binge drinking Screening and brief intervention Underage drinking Alcohol is the most widely used…

Adolescent and Young Adult Substance Use and Abuse Leslie R. Walker Erin N. Harrop KEY WORDS Addiction Adolescent brain development Adolescent research Alcohol Drug dependence Drug use Drug use prevention…

Other Sexually Transmitted Infections Including Genital Ulcers, Pediculosis, Scabies, and Molluscum Wendi G. Ehrman Mandakini Sadhir M. Susan Jay KEY WORDS Buboes Chancroid Genital ulcers Granuloma inguinale Lymphogranuloma venereum Molluscum…

Human Papillomavirus Infection and Anogenital Warts Shelly T. Ben-Harush Negari Jessica A. Kahn KEY WORDS Anogenital warts External genital warts Human papillomavirus Human papillomavirus vaccines Management Oral human papillomavirus Sexually…

Herpes Genitalis Gale R. Burstein Kimberly A. Workowski KEY WORDS Anal Genital Genital herpes simplex virus Perianal ulcers Genital herpes is a chronic lifelong viral disease. Herpes genitalis lesions are…

Syphilis J. Dennis Fortenberry KEY WORDS Latent syphilis Neurosyphilis Nontreponemal tests Primary syphilis Reverse sequence syphilis screening Secondary syphilis Syphilis is an acute, localized sexually transmitted infection (STI) leading, if…

Pelvic Inflammatory Disease Lydia A. Shrier KEY WORDS Infertility Pelvic inflammatory disease (PID) Pelvic pain Perihepatitis Sexually active Tuboovarian abscess (TOA) DEFINITION Pelvic inflammatory disease (PID) is an ascending polymicrobial…

Gonorrhea and Chlamydia Margaret J. Blythe KEY WORDS Cervicitis Men who have sex with men (MSM) Pelvic inflammatory disease (PID) Sexually transmitted infections (STIs) Urethritis Gonococal and chlamydial genital infections…

Breast Disorders and Gynecomastia Holly C. Gooding Amy D. DiVasta KEY WORDS Breast cyst Breast development Breast imaging Fibroadenoma Galactorrhea Gynecomastia Macromastia Mastalgia Mastitis Prolactinoma While serious breast disorders are…

Overview of Sexually Transmitted Infections J. Dennis Fortenberry KEY WORDS Anal and rectal STIs Expedited partner treatment Oropharyngeal STIs Point-of-care STI tests Sexually Transmitted Infections (STIs) STI syndromes GENERAL OVERVIEW…