The Common STDs

STDs or sexually transmitted diseases are pretty common throughout the world and it is estimated that most of the adults acquire at least one sexually transmitted disease in their life time. For example in United States alone more than 6 million people acquire new genital human papillomavirus (HPV) infection and worst is, most of these people who acquire genital human papillomavirus infection are at risk of developing genital neoplasm. From this one example it is not difficult to estimate how common STD is. In all societies of the world sexually transmitted diseases are among the most common infectious diseases.

There are more than 30 infections which are classified as predominantly sexually transmitted or as sexually transmissible (frequently). These are named below:

Transmitted predominantly by sexual intercourse in adults (name of the organism given in brackets):

Bacterial:

Gonorrhea (Neisseria gonorrhoeae), syphilis (Treponema pallidum), lower genital tract infections in females and epididymitis in males (Chlamydia trachomatis), genital ulcers (Haemophilus ducreyi), urethritis in males (Ureaplasma urealyticum), genital ulcers (Calymmatobacterium granulomatis).  

Viral:

AIDS (HIV or human immune deficiency virus types 1 and 2), genital herpes (Herpes simplex virus type 2), Hepatitis B (Hepatitis B virus), genital and anal warts (Human papillomavirus), Molluscum contagiosum (Molluscum contagiosum virus), T cell leukemia (Human T-cell lymphotropic virus type I).

Others:

Trichomonas vaginalis infection and pediculosis of pubic area (Phthirus pubis).

 

Sexual Transmission Repeatedly Described but Not the Predominant Mode (name of the organism given in brackets):

 

Bacterial:

Urethritis in males (Mycoplasma genitalium), bacterial vaginosis (Gardnerella vaginalis), (Mycoplasma hominis), (Group B Streptococcus), (Helicobacter cinaedi), (Helicobacter fennelliae).

Viral:

CMV or cytomegalovirus mononucleosis (Cytomegalovirus), lymphoma (Human T-cell lymphotropic virus type II), hepatitis (Hepatitis C, D viruses), genital herpes (Herpes simplex virus type 1), infectious mononucleosis (Epstein-Barr virus).

Others:

Candidiasis (Candida albicans) and scabies (Sarcoptes scabiei).

Transmissible by sexual contacts (Oral-Fecal Exposure) mainly in Homosexual Men:

Bacterial:

Shigellosis (Shigella species) and Proctocolitis or enterocolitis (Campylobacter species).

Viral:

Hepatitis (Hepatitis A).  

Others:

Giardiasis (Giardia lamblia) and amebiasis (Entamoeba histolytica).

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