What are the types of STIs?

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Added Sunday, August 22, 2010 , Under: Transmitted Infections

STIs are classified according to the following:
a) Discharge syndromes - those that produces discharge. Eg. Gonorrhea, non gonococcal urethritis, post gonoccocal urethritis, vaginitis, candidiasis, trichomoniasis
b) Ulcerative syndromes- those infections that produces papular or skin ulcer lesions eg.herpes simplex, syphillis and chancroid
c) Non ulcerative syndromes - eg. Scabies, venereal warts, crab lice
d) Others - eg. Hepatitis B, Infections mononucleosis, and HIV/AIDS The following table shows you the difference among the different STIs:

A. Discharge (Tulo)

Type	Incubation Period	Causative Agent	Signs and Symptoms
1. Gonorrhea	2-7 days	Neisseria gonorrhea	vaginal & urethral discharge foul-smelling, yellow to yellow green, possibly pus-like, thick areas affected : urethra, anus, throat, vagina, joints, eyes
2. Non-gonoccal urethritis (NGU), Post-gonoccal urethritis (PGU)	10-14 days	Chlamydia trachomatis	itchiness, urethral discharge whitish, mucoid/less in quatity areas affected : urethra, eyes, vagina, throat, anus
3. Vaginitis	3-7 days	Gardnella	opaque-white discharge
4. Candidiasis/ Moniliasis	7-10 days	C Albicans yeast (fungus)	itchiness, white-cheesy, curd-like vaginal discharge sweet smelling
5. Trichomoniasis	7-14 days	protozoa	greyish-greenish, frothy, fishy odor, copious discharges strawberry cervix

B. Ulcerative

Type	Incubation Period	Causative Agent	Signs and Symptoms
1. Syphilis	9-90 days	Treponema pallidum	1st stage : chancre (firm, hard, painless ulcer, oval/round, well-delineated, usually solitary, heals in 2-6 weeks (with or without treatment) 2nd stage : rash on body (not itchy), areas affected: follicles, mucous areas; lymphadenopathy,"flu-like" can be latent for years 3rd stage: gumma, aneurysm, neurosyphilis (may cause stroke); may affect heart, brain (meningitis), bones; can be fatal
2. Herpes simplex	2-10 days	Herpes simplex virus 1 (HSV-1) oral-facial, Herpes simplex virus 2 (HSV-2) -genital	multiple, painful shallow ulcers (cold sores) affected areas: genitals, face, fingers, eyes, brain
3. Chancroid	3-10 days	Haemophilus ducreyi	soft & tender ulcer painful, dirty-grey ulcers painful & enlarged lymphnodes (buboes)

C. Non-Ulcerative

Type	Incubation Period	Causative Agent	Signs and Symptoms
1. Scabies	7-10 days	Sarcoptes scabiei	"galis-aso" itchiness at night
2. Venereal warts	7-10 days	Human papilloma virus (type 6&11)	"kulugo" warts in genitals
3. Crab lice	7-10 days	Phthiuris pubis	itchiness nits ("jkuto sa buhok sa ari") reddish brown pinpoint marks/bite marks

D. Others

Type	Incubation Period	Causative Agent	Signs and Symptoms
1. Hepatitis B	6 weeks - 6 months	Hepatitis B virus	jaundice, abdominal pains, chalk-colored stools "flu-like"
2. Infectious mononucleosis	7-10 days	Epstein Barr virus	kissing disease flu-like symptoms
3. AIDS	3-12 years	HIV	depending on opportunistic infections that set in

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