Gonorrhea Gonorrhea is a common sexually transmitted infection (STI) caused by the Gram-negative diplococcus Neisseria gonorrhoeae. It primarily infects mucous membranes of the urethra, cervix, rectum, pharynx, and conjunctiva, leading to various clinical manifestations depending on the site of infection. In females, it can remain asymptomatic, allowing the disease to progress silently, whereas in males,…

Syphilis Syphilis is a chronic systemic infectious disease caused by the spirochete bacterium Treponema pallidum subspecies pallidum. It is primarily transmitted through sexual contact, but can also be congenitally acquired. Known for its multistage progression, if left untreated, syphilis may lead to serious cardiovascular, neurological, and dermatological complications over time. Once on the decline due…

AIDS Acquired Immunodeficiency Syndrome (AIDS) represents the most advanced stage of infection caused by the Human Immunodeficiency Virus (HIV). It is a chronic, life-threatening condition characterized by a profound weakening of the immune system, which renders the body highly susceptible to opportunistic infections, malignancies, and neurological complications. Since its emergence in the early 1980s, AIDS…

Urinary Tract Infections Urinary Tract Infections (UTIs) are one of the most common bacterial infections encountered globally, affecting individuals across all age groups, with a pronounced prevalence among women. A UTI can involve any part of the urinary system, which includes the kidneys, ureters, bladder, and urethra. While generally curable with timely antibiotic therapy, untreated…